38812530 has 32 divisors (see below), whose sum is σ = 98630784. Its totient is φ = 9741056.

The previous prime is 38812517. The next prime is 38812541. The reversal of 38812530 is 3521883.

It is a happy number.

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

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, 37542 + ... + 38561.

It is an arithmetic number, because the mean of its divisors is an integer number (3082212).

Almost surely, 2^38812530 is an apocalyptic number.

38812530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38812530 is an abundant number, since it is smaller than the sum of its proper divisors (59818254).

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

38812530 is a wasteful number, since it uses less digits than its factorization.

38812530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76130.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 38812530 is about 6229.9703049052. The cubic root of 38812530 is about 338.5768948945.

The spelling of 38812530 in words is "thirty-eight million, eight hundred twelve thousand, five hundred thirty".