381578954 has 16 divisors (see below), whose sum is σ = 577134720. Its totient is φ = 189206880.

The previous prime is 381578933. The next prime is 381578987. The reversal of 381578954 is 459875183.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153062 + ... + 155534.

It is an arithmetic number, because the mean of its divisors is an integer number (36070920).

Almost surely, 2^381578954 is an apocalyptic number.

381578954 is a deficient number, since it is larger than the sum of its proper divisors (195555766).

381578954 is a wasteful number, since it uses less digits than its factorization.

381578954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085.

The product of its digits is 1209600, while the sum is 50.

The square root of 381578954 is about 19534.0460222658. The cubic root of 381578954 is about 725.3174695245.

The spelling of 381578954 in words is "three hundred eighty-one million, five hundred seventy-eight thousand, nine hundred fifty-four".