38456091 has 12 divisors (see below), whose sum is σ = 58815432. Its totient is φ = 24129216.

The previous prime is 38456071. The next prime is 38456113. The reversal of 38456091 is 19065483.

38456091 is a `hidden beast` number, since 3 + 8 + 4 + 560 + 91 = 666.

38456091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38456091 - 2⁹ = 38455579 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38456071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125521 + ... + 125826.

It is an arithmetic number, because the mean of its divisors is an integer number (4901286).

Almost surely, 2^38456091 is an apocalyptic number.

38456091 is a deficient number, since it is larger than the sum of its proper divisors (20359341).

38456091 is a wasteful number, since it uses less digits than its factorization.

38456091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251370 (or 251367 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 38456091 is about 6201.2975255183. The cubic root of 38456091 is about 337.5372535009.

The spelling of 38456091 in words is "thirty-eight million, four hundred fifty-six thousand, ninety-one".