3199972698 has 96 divisors (see below), whose sum is σ = 7650744192. Its totient is φ = 960624000.

The previous prime is 3199972697. The next prime is 3199972733. The reversal of 3199972698 is 8962799913.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3199972691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1677061 + ... + 1678967.

It is an arithmetic number, because the mean of its divisors is an integer number (79695252).

Almost surely, 2^3199972698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3199972698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3825372096).

3199972698 is an abundant number, since it is smaller than the sum of its proper divisors (4450771494).

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

3199972698 is a wasteful number, since it uses less digits than its factorization.

3199972698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2097 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The square root of 3199972698 is about 56568.3011765423. The cubic root of 3199972698 is about 1473.6084085514.

The spelling of 3199972698 in words is "three billion, one hundred ninety-nine million, nine hundred seventy-two thousand, six hundred ninety-eight".