381064658 has 8 divisors (see below), whose sum is σ = 615566028. Its totient is φ = 175875984.

The previous prime is 381064631. The next prime is 381064661. The reversal of 381064658 is 856460183.

It can be written as a sum of positive squares in 2 ways, for example, as 370062169 + 11002489 = 19237^2 + 3317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7328141 + ... + 7328192.

Almost surely, 2^381064658 is an apocalyptic number.

381064658 is a deficient number, since it is larger than the sum of its proper divisors (234501370).

381064658 is a wasteful number, since it uses less digits than its factorization.

381064658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14656348.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 381064658 is about 19520.8774905228. The cubic root of 381064658 is about 724.9914595902.

The spelling of 381064658 in words is "three hundred eighty-one million, sixty-four thousand, six hundred fifty-eight".