98638004 has 24 divisors (see below), whose sum is σ = 177934848. Its totient is φ = 47809440.

The previous prime is 98637991. The next prime is 98638009. The reversal of 98638004 is 40083689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98638009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44957 + ... + 47099.

It is an arithmetic number, because the mean of its divisors is an integer number (7413952).

Almost surely, 2^98638004 is an apocalyptic number.

It is an amenable number.

98638004 is a deficient number, since it is larger than the sum of its proper divisors (79296844).

98638004 is a wasteful number, since it uses less digits than its factorization.

98638004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2493 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 98638004 is about 9931.6667281982. Note that the first 3 decimals coincide. The cubic root of 98638004 is about 462.0419681645.

The spelling of 98638004 in words is "ninety-eight million, six hundred thirty-eight thousand, four".