98578628 has 12 divisors (see below), whose sum is σ = 172804800. Its totient is φ = 49205832.

The previous prime is 98578607. The next prime is 98578633. The reversal of 98578628 is 82687589.

It is a self number, because there is not a number n which added to its sum of digits gives 98578628.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18176 + ... + 22967.

It is an arithmetic number, because the mean of its divisors is an integer number (14400400).

Almost surely, 2^98578628 is an apocalyptic number.

It is an amenable number.

98578628 is a deficient number, since it is larger than the sum of its proper divisors (74226172).

98578628 is a wasteful number, since it uses less digits than its factorization.

98578628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41746 (or 41744 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 98578628 is about 9928.6770518534. The cubic root of 98578628 is about 461.9492395022.

The spelling of 98578628 in words is "ninety-eight million, five hundred seventy-eight thousand, six hundred twenty-eight".