38894523 has 4 divisors (see below), whose sum is σ = 51859368. Its totient is φ = 25929680.

The previous prime is 38894519. The next prime is 38894549. The reversal of 38894523 is 32549883.

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

It is a cyclic number.

It is not a de Polignac number, because 38894523 - 2² = 38894519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38896523) 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, 6482418 + ... + 6482423.

It is an arithmetic number, because the mean of its divisors is an integer number (12964842).

Almost surely, 2^38894523 is an apocalyptic number.

38894523 is a deficient number, since it is larger than the sum of its proper divisors (12964845).

38894523 is a wasteful number, since it uses less digits than its factorization.

38894523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964844.

The product of its digits is 207360, while the sum is 42.

The square root of 38894523 is about 6236.5473621227. The cubic root of 38894523 is about 338.8151462149.

The spelling of 38894523 in words is "thirty-eight million, eight hundred ninety-four thousand, five hundred twenty-three".