88398028 has 48 divisors (see below), whose sum is σ = 168926688. Its totient is φ = 40320000.

The previous prime is 88398001. The next prime is 88398029. The reversal of 88398028 is 82089388.

It is a super-2 number, since 2×88398028² = 15628422708577568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88398029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418843 + ... + 419053.

It is an arithmetic number, because the mean of its divisors is an integer number (3519306).

Almost surely, 2^88398028 is an apocalyptic number.

It is an amenable number.

88398028 is a deficient number, since it is larger than the sum of its proper divisors (80528660).

88398028 is a wasteful number, since it uses less digits than its factorization.

88398028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 88398028 is about 9402.0225483669. The cubic root of 88398028 is about 445.4656204483.

The spelling of 88398028 in words is "eighty-eight million, three hundred ninety-eight thousand, twenty-eight".