98838428 has 24 divisors (see below), whose sum is σ = 189792288. Its totient is φ = 44755776.

The previous prime is 98838419. The next prime is 98838451. The reversal of 98838428 is 82483889.

It is a super-2 number, since 2×98838428² = 19538069699022368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15176 + ... + 20687.

It is an arithmetic number, because the mean of its divisors is an integer number (7908012).

Almost surely, 2^98838428 is an apocalyptic number.

It is an amenable number.

98838428 is a deficient number, since it is larger than the sum of its proper divisors (90953860).

98838428 is a wasteful number, since it uses less digits than its factorization.

98838428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933 (or 35931 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 98838428 is about 9941.7517571100. The cubic root of 98838428 is about 462.3546997184.

The spelling of 98838428 in words is "ninety-eight million, eight hundred thirty-eight thousand, four hundred twenty-eight".