3504992 has 36 divisors (see below), whose sum is σ = 7349580. Its totient is φ = 1645056.

The previous prime is 3504979. The next prime is 3504997. The reversal of 3504992 is 2994053.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9059 + ... + 9437.

It is an arithmetic number, because the mean of its divisors is an integer number (204155).

Almost surely, 2^3504992 is an apocalyptic number.

3504992 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 3504992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674790).

3504992 is an abundant number, since it is smaller than the sum of its proper divisors (3844588).

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

3504992 is a wasteful number, since it uses less digits than its factorization.

3504992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 3504992 is about 1872.1623861193. The cubic root of 3504992 is about 151.9015983604.

The spelling of 3504992 in words is "three million, five hundred four thousand, nine hundred ninety-two".