38120018 has 32 divisors (see below), whose sum is σ = 63659520. Its totient is φ = 17038080.

The previous prime is 38119999. The next prime is 38120051. The reversal of 38120018 is 81002183.

It is a junction number, because it is equal to n+sod(n) for n = 38119975 and 38120002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61880 + ... + 62492.

It is an arithmetic number, because the mean of its divisors is an integer number (1989360).

Almost surely, 2^38120018 is an apocalyptic number.

38120018 is a deficient number, since it is larger than the sum of its proper divisors (25539502).

38120018 is a wasteful number, since it uses less digits than its factorization.

38120018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 38120018 is about 6174.1410738661. The cubic root of 38120018 is about 336.5511139344.

The spelling of 38120018 in words is "thirty-eight million, one hundred twenty thousand, eighteen".