38158047 has 28 divisors (see below), whose sum is σ = 60595920. Its totient is φ = 23934528.

The previous prime is 38158007. The next prime is 38158069. The reversal of 38158047 is 74085183.

38158047 is a `hidden beast` number, since 38 + 1 + 580 + 47 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-38158047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38158007) 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, 10854 + ... + 13932.

It is an arithmetic number, because the mean of its divisors is an integer number (2164140).

Almost surely, 2^38158047 is an apocalyptic number.

38158047 is a deficient number, since it is larger than the sum of its proper divisors (22437873).

38158047 is an equidigital number, since it uses as much as digits as its factorization.

38158047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 38158047 is about 6177.2200057955. The cubic root of 38158047 is about 336.6629925859.

The spelling of 38158047 in words is "thirty-eight million, one hundred fifty-eight thousand, forty-seven".