38130186 has 32 divisors (see below), whose sum is σ = 81446400. Its totient is φ = 11874240.

The previous prime is 38130179. The next prime is 38130193. The reversal of 38130186 is 68103183.

It is an interprime number because it is at equal distance from previous prime (38130179) and next prime (38130193).

It is a super-2 number, since 2×38130186² = 2907822168789192, which contains 22 as substring.

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, 1860 + ... + 8928.

It is an arithmetic number, because the mean of its divisors is an integer number (2545200).

Almost surely, 2^38130186 is an apocalyptic number.

38130186 is an abundant number, since it is smaller than the sum of its proper divisors (43316214).

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

38130186 is a wasteful number, since it uses less digits than its factorization.

38130186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134.

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

The square root of 38130186 is about 6174.9644533390. The cubic root of 38130186 is about 336.5810347625.

The spelling of 38130186 in words is "thirty-eight million, one hundred thirty thousand, one hundred eighty-six".