38889320 has 64 divisors (see below), whose sum is σ = 93623040. Its totient is φ = 14502400.

The previous prime is 38889299. The next prime is 38889341. The reversal of 38889320 is 2398883.

It is an interprime number because it is at equal distance from previous prime (38889299) and next prime (38889341).

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 37205 + ... + 38235.

It is an arithmetic number, because the mean of its divisors is an integer number (1462860).

Almost surely, 2^38889320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38889320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46811520).

38889320 is an abundant number, since it is smaller than the sum of its proper divisors (54733720).

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

38889320 is a wasteful number, since it uses less digits than its factorization.

38889320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 38889320 is about 6236.1302103147. The cubic root of 38889320 is about 338.8000375425.

The spelling of 38889320 in words is "thirty-eight million, eight hundred eighty-nine thousand, three hundred twenty".