38399998 has 32 divisors (see below), whose sum is σ = 71628480. Its totient is φ = 15033600.

The previous prime is 38399983. The next prime is 38400023. The reversal of 38399998 is 89999383.

It is a congruent number.

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, 17338 + ... + 19426.

It is an arithmetic number, because the mean of its divisors is an integer number (2238390).

Almost surely, 2^38399998 is an apocalyptic number.

38399998 is a deficient number, since it is larger than the sum of its proper divisors (33228482).

38399998 is a wasteful number, since it uses less digits than its factorization.

38399998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its digits is 3779136, while the sum is 58.

The square root of 38399998 is about 6196.7731925576. The cubic root of 38399998 is about 337.3730602635.

The spelling of 38399998 in words is "thirty-eight million, three hundred ninety-nine thousand, nine hundred ninety-eight".