3297869640 has 192 divisors, whose sum is σ = 11970504000. Its totient is φ = 811752192.

The previous prime is 3297869639. The next prime is 3297869669. The reversal of 3297869640 is 469687923.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113311 + ... + 139409.

It is an arithmetic number, because the mean of its divisors is an integer number (62346375).

Almost surely, 2^3297869640 is an apocalyptic number.

3297869640 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 3297869640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5985252000).

3297869640 is an abundant number, since it is smaller than the sum of its proper divisors (8672634360).

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

3297869640 is a wasteful number, since it uses less digits than its factorization.

3297869640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26138 (or 26122 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 3297869640 is about 57427.0810680815. The cubic root of 3297869640 is about 1488.4851110799.

The spelling of 3297869640 in words is "three billion, two hundred ninety-seven million, eight hundred sixty-nine thousand, six hundred forty".