3097728444 has 24 divisors (see below), whose sum is σ = 7461196288. Its totient is φ = 999267120.

The previous prime is 3097728419. The next prime is 3097728449. The reversal of 3097728444 is 4448277903.

It is a super-2 number, since 2×3097728444² = 19191843025533322272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3097728393 and 3097728402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3097728449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4163242 + ... + 4163985.

Almost surely, 2^3097728444 is an apocalyptic number.

It is an amenable number.

3097728444 is an abundant number, since it is smaller than the sum of its proper divisors (4363467844).

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

3097728444 is a wasteful number, since it uses less digits than its factorization.

3097728444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327265 (or 8327263 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 3097728444 is about 55657.2407149330. The cubic root of 3097728444 is about 1457.7435030807.

The spelling of 3097728444 in words is "three billion, ninety-seven million, seven hundred twenty-eight thousand, four hundred forty-four".