38889384 has 16 divisors (see below), whose sum is σ = 97223520. Its totient is φ = 12963120.

The previous prime is 38889379. The next prime is 38889427. The reversal of 38889384 is 48398883.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810172 + ... + 810219.

It is an arithmetic number, because the mean of its divisors is an integer number (6076470).

Almost surely, 2^38889384 is an apocalyptic number.

It is an amenable number.

38889384 is an abundant number, since it is smaller than the sum of its proper divisors (58334136).

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

38889384 is a wasteful number, since it uses less digits than its factorization.

38889384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620400 (or 1620396 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 38889384 is about 6236.1353417000. The cubic root of 38889384 is about 338.8002233964.

The spelling of 38889384 in words is "thirty-eight million, eight hundred eighty-nine thousand, three hundred eighty-four".