381354264 has 64 divisors (see below), whose sum is σ = 1087970400. Its totient is φ = 123679872.

The previous prime is 381354257. The next prime is 381354289. The reversal of 381354264 is 462453183.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15867 + ... + 31850.

Almost surely, 2^381354264 is an apocalyptic number.

It is an amenable number.

381354264 is an abundant number, since it is smaller than the sum of its proper divisors (706616136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381354264 is a wasteful number, since it uses less digits than its factorization.

381354264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47769 (or 47759 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 381354264 is about 19528.2939346990. The cubic root of 381354264 is about 725.1750755943.

The spelling of 381354264 in words is "three hundred eighty-one million, three hundred fifty-four thousand, two hundred sixty-four".