38874929 has 4 divisors (see below), whose sum is σ = 39823140. Its totient is φ = 37926720.

The previous prime is 38874911. The next prime is 38874949. The reversal of 38874929 is 92947883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17205904 + 21669025 = 4148^2 + 4655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38874929 is a prime.

It is a super-2 number, since 2×38874929² = 3022520209510082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38874949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474044 + ... + 474125.

It is an arithmetic number, because the mean of its divisors is an integer number (9955785).

Almost surely, 2^38874929 is an apocalyptic number.

It is an amenable number.

38874929 is a deficient number, since it is larger than the sum of its proper divisors (948211).

38874929 is an equidigital number, since it uses as much as digits as its factorization.

38874929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948210.

The product of its digits is 870912, while the sum is 50.

The square root of 38874929 is about 6234.9762629861. The cubic root of 38874929 is about 338.7582413812.

The spelling of 38874929 in words is "thirty-eight million, eight hundred seventy-four thousand, nine hundred twenty-nine".