38456851 has 4 divisors (see below), whose sum is σ = 40128912. Its totient is φ = 36784792.

The previous prime is 38456843. The next prime is 38456867. The reversal of 38456851 is 15865483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15865483 = 41 ⋅386963.

It is a cyclic number.

It is not a de Polignac number, because 38456851 - 2³ = 38456843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38456251) 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, 835996 + ... + 836041.

It is an arithmetic number, because the mean of its divisors is an integer number (10032228).

Almost surely, 2^38456851 is an apocalyptic number.

38456851 is a deficient number, since it is larger than the sum of its proper divisors (1672061).

38456851 is a wasteful number, since it uses less digits than its factorization.

38456851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672060.

The product of its digits is 115200, while the sum is 40.

The square root of 38456851 is about 6201.3588027141. The cubic root of 38456851 is about 337.5394770466.

The spelling of 38456851 in words is "thirty-eight million, four hundred fifty-six thousand, eight hundred fifty-one".