38839560 has 128 divisors (see below), whose sum is σ = 125452800. Its totient is φ = 9584640.

The previous prime is 38839517. The next prime is 38839561. The reversal of 38839560 is 6593883.

It is a super-2 number, since 2×38839560² = 3017022841987200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38839561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161040 + ... + 161280.

It is an arithmetic number, because the mean of its divisors is an integer number (980100).

Almost surely, 2^38839560 is an apocalyptic number.

38839560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38839560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62726400).

38839560 is an abundant number, since it is smaller than the sum of its proper divisors (86613240).

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

38839560 is a wasteful number, since it uses less digits than its factorization.

38839560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 38839560 is about 6232.1392795733. The cubic root of 38839560 is about 338.6554744133.

The spelling of 38839560 in words is "thirty-eight million, eight hundred thirty-nine thousand, five hundred sixty".