381430894 has 16 divisors (see below), whose sum is σ = 621815040. Its totient is φ = 174428640.

The previous prime is 381430867. The next prime is 381430927. The reversal of 381430894 is 498034183.

It is a congruent number.

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, 64462 + ... + 70129.

It is an arithmetic number, because the mean of its divisors is an integer number (38863440).

Almost surely, 2^381430894 is an apocalyptic number.

381430894 is a deficient number, since it is larger than the sum of its proper divisors (240384146).

381430894 is a wasteful number, since it uses less digits than its factorization.

381430894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134715.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 381430894 is about 19530.2558610992. The cubic root of 381430894 is about 725.2236449951.

The spelling of 381430894 in words is "three hundred eighty-one million, four hundred thirty thousand, eight hundred ninety-four".