3998826264 has 16 divisors (see below), whose sum is σ = 9997065720. Its totient is φ = 1332942080.

The previous prime is 3998826263. The next prime is 3998826277. The reversal of 3998826264 is 4626288993.

It is a super-2 number, since 2×3998826264² = 31981222979312395392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998826263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83308857 + ... + 83308904.

Almost surely, 2^3998826264 is an apocalyptic number.

It is an amenable number.

3998826264 is an abundant number, since it is smaller than the sum of its proper divisors (5998239456).

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

3998826264 is a wasteful number, since it uses less digits than its factorization.

3998826264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166617770 (or 166617766 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 3998826264 is about 63236.2733247303. The cubic root of 3998826264 is about 1587.2457709655.

The spelling of 3998826264 in words is "three billion, nine hundred ninety-eight million, eight hundred twenty-six thousand, two hundred sixty-four".