38615130 has 56 divisors (see below), whose sum is σ = 104232852. Its totient is φ = 10295424.

The previous prime is 38615113. The next prime is 38615131. The reversal of 38615130 is 3151683.

38615130 is a `hidden beast` number, since 38 + 615 + 13 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38229489 + 385641 = 6183^2 + 621^2 .

It is a super-2 number, since 2×38615130² = 2982256529833800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38615094 and 38615103.

It is not an unprimeable number, because it can be changed into a prime (38615131) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4642 + ... + 9938.

Almost surely, 2^38615130 is an apocalyptic number.

38615130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38615130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52116426).

38615130 is an abundant number, since it is smaller than the sum of its proper divisors (65617722).

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

38615130 is an equidigital number, since it uses as much as digits as its factorization.

38615130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322 (or 5307 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 38615130 is about 6214.1073373414. The cubic root of 38615130 is about 338.0019198565.

The spelling of 38615130 in words is "thirty-eight million, six hundred fifteen thousand, one hundred thirty".