3490499712 has 128 divisors (see below), whose sum is σ = 10812816000. Its totient is φ = 997248000.

The previous prime is 3490499669. The next prime is 3490499713. The reversal of 3490499712 is 2179940943.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-6 number, since 6×3490499712⁶ (a number of 59 digits) contains 666666 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3490499713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118462 + ... + 144962.

It is an arithmetic number, because the mean of its divisors is an integer number (84475125).

Almost surely, 2^3490499712 is an apocalyptic number.

3490499712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3490499712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5406408000).

3490499712 is an abundant number, since it is smaller than the sum of its proper divisors (7322316288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3490499712 is an equidigital number, since it uses as much as digits as its factorization.

3490499712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26539 (or 26513 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 3490499712 is about 59080.4511831113. The cubic root of 3490499712 is about 1516.9195044621.

The spelling of 3490499712 in words is "three billion, four hundred ninety million, four hundred ninety-nine thousand, seven hundred twelve".