38644898 has 8 divisors (see below), whose sum is σ = 61018320. Its totient is φ = 18305460.

The previous prime is 38644891. The next prime is 38644933. The reversal of 38644898 is 89844683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38644891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508448 + ... + 508523.

It is an arithmetic number, because the mean of its divisors is an integer number (7627290).

Almost surely, 2^38644898 is an apocalyptic number.

38644898 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38644898 is a deficient number, since it is larger than the sum of its proper divisors (22373422).

38644898 is a wasteful number, since it uses less digits than its factorization.

38644898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016992.

The product of its digits is 1327104, while the sum is 50.

The square root of 38644898 is about 6216.5020711008. The cubic root of 38644898 is about 338.0887515965.

The spelling of 38644898 in words is "thirty-eight million, six hundred forty-four thousand, eight hundred ninety-eight".