3197997036 has 72 divisors (see below), whose sum is σ = 8756202000. Its totient is φ = 978286464.

The previous prime is 3197997031. The next prime is 3197997043. The reversal of 3197997036 is 6307997913.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3197997031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61215 + ... + 100713.

Almost surely, 2^3197997036 is an apocalyptic number.

3197997036 is a gapful number since it is divisible by the number (36) 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 3197997036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4378101000).

3197997036 is an abundant number, since it is smaller than the sum of its proper divisors (5558204964).

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

3197997036 is a wasteful number, since it uses less digits than its factorization.

3197997036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39695 (or 39690 counting only the distinct ones).

The product of its (nonzero) digits is 1928934, while the sum is 54.

The square root of 3197997036 is about 56550.8358558916. The cubic root of 3197997036 is about 1473.3050776825.

The spelling of 3197997036 in words is "three billion, one hundred ninety-seven million, nine hundred ninety-seven thousand, thirty-six".