38198898 has 32 divisors (see below), whose sum is σ = 89881920. Its totient is φ = 11983680.

The previous prime is 38198869. The next prime is 38198903. The reversal of 38198898 is 89889183.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19888 + ... + 21723.

It is an arithmetic number, because the mean of its divisors is an integer number (2808810).

Almost surely, 2^38198898 is an apocalyptic number.

38198898 is an abundant number, since it is smaller than the sum of its proper divisors (51683022).

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

38198898 is a wasteful number, since it uses less digits than its factorization.

38198898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41639 (or 41633 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 38198898 is about 6180.5257057956. The cubic root of 38198898 is about 336.7830905821.

The spelling of 38198898 in words is "thirty-eight million, one hundred ninety-eight thousand, eight hundred ninety-eight".