38875455 has 12 divisors (see below), whose sum is σ = 67384200. Its totient is φ = 20733552.

The previous prime is 38875453. The next prime is 38875511. The reversal of 38875455 is 55457883.

38875455 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 38875455 - 2¹ = 38875453 is a prime.

It is a super-2 number, since 2×38875455² = 3022602002914050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 863899 = 38875455 / (3 + 8 + 8 + 7 + 5 + 4 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 38875455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38875453) 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, 431905 + ... + 431994.

It is an arithmetic number, because the mean of its divisors is an integer number (5615350).

Almost surely, 2^38875455 is an apocalyptic number.

38875455 is a deficient number, since it is larger than the sum of its proper divisors (28508745).

38875455 is a wasteful number, since it uses less digits than its factorization.

38875455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863910 (or 863907 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 38875455 is about 6235.0184442390. The cubic root of 38875455 is about 338.7597692385.

The spelling of 38875455 in words is "thirty-eight million, eight hundred seventy-five thousand, four hundred fifty-five".