381589016 has 16 divisors (see below), whose sum is σ = 715709400. Its totient is φ = 190733184.

The previous prime is 381589007. The next prime is 381589081. The reversal of 381589016 is 610985183.

It is a super-2 number, since 2×381589016² = 291220354263696512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29216 + ... + 40208.

Almost surely, 2^381589016 is an apocalyptic number.

It is an amenable number.

381589016 is a deficient number, since it is larger than the sum of its proper divisors (334120384).

381589016 is a wasteful number, since it uses less digits than its factorization.

381589016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338 (or 15334 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 381589016 is about 19534.3035708980. The cubic root of 381589016 is about 725.3238448589.

It can be divided in two parts, 38158 and 9016, that added together give a palindrome (47174).

The spelling of 381589016 in words is "three hundred eighty-one million, five hundred eighty-nine thousand, sixteen".