38881394 has 16 divisors (see below), whose sum is σ = 59000832. Its totient is φ = 19216128.

The previous prime is 38881387. The next prime is 38881399. The reversal of 38881394 is 49318883.

It is not an unprimeable number, because it can be changed into a prime (38881399) 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, 101327 + ... + 101709.

It is an arithmetic number, because the mean of its divisors is an integer number (3687552).

Almost surely, 2^38881394 is an apocalyptic number.

38881394 is a deficient number, since it is larger than the sum of its proper divisors (20119438).

38881394 is a wasteful number, since it uses less digits than its factorization.

38881394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its digits is 165888, while the sum is 44.

The square root of 38881394 is about 6235.4946876731. The cubic root of 38881394 is about 338.7770191273. Note that the first 3 decimals are identical.

The spelling of 38881394 in words is "thirty-eight million, eight hundred eighty-one thousand, three hundred ninety-four".