3498906540 has 96 divisors (see below), whose sum is σ = 10098063360. Its totient is φ = 904732416.

The previous prime is 3498906511. The next prime is 3498906547. The reversal of 3498906540 is 456098943.

It is a self number, because there is not a number n which added to its sum of digits gives 3498906540.

It is not an unprimeable number, because it can be changed into a prime (3498906547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301689 + ... + 313071.

It is an arithmetic number, because the mean of its divisors is an integer number (105188160).

Almost surely, 2^3498906540 is an apocalyptic number.

3498906540 is a gapful number since it is divisible by the number (30) 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 3498906540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5049031680).

3498906540 is an abundant number, since it is smaller than the sum of its proper divisors (6599156820).

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

3498906540 is a wasteful number, since it uses less digits than its factorization.

3498906540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551 (or 11549 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 3498906540 is about 59151.5556853748. Note that the first 3 decimals coincide. The cubic root of 3498906540 is about 1518.1363557274.

The spelling of 3498906540 in words is "three billion, four hundred ninety-eight million, nine hundred six thousand, five hundred forty".