38611380 has 24 divisors (see below), whose sum is σ = 108112032. Its totient is φ = 10296352.

The previous prime is 38611361. The next prime is 38611459. The reversal of 38611380 is 8311683.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321702 + ... + 321821.

It is an arithmetic number, because the mean of its divisors is an integer number (4504668).

Almost surely, 2^38611380 is an apocalyptic number.

38611380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38611380 is an abundant number, since it is smaller than the sum of its proper divisors (69500652).

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

38611380 is a wasteful number, since it uses less digits than its factorization.

38611380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643535 (or 643533 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 38611380 is about 6213.8055972166. The cubic root of 38611380 is about 337.9909781330.

The spelling of 38611380 in words is "thirty-eight million, six hundred eleven thousand, three hundred eighty".