38855880 has 192 divisors, whose sum is σ = 152979840. Its totient is φ = 8349696.

The previous prime is 38855857. The next prime is 38855909. The reversal of 38855880 is 8855883.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42387 + ... + 43293.

It is an arithmetic number, because the mean of its divisors is an integer number (796770).

Almost surely, 2^38855880 is an apocalyptic number.

38855880 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 38855880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76489920).

38855880 is an abundant number, since it is smaller than the sum of its proper divisors (114123960).

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

38855880 is a wasteful number, since it uses less digits than its factorization.

38855880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 38855880 is about 6233.4484837849. The cubic root of 38855880 is about 338.7029010011.

The spelling of 38855880 in words is "thirty-eight million, eight hundred fifty-five thousand, eight hundred eighty".