381927046 has 16 divisors (see below), whose sum is σ = 577681776. Its totient is φ = 189373536.

The previous prime is 381927043. The next prime is 381927047. The reversal of 381927046 is 640729183.

It is a super-2 number, since 2×381927046² = 291736536932572232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381927043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124240 + ... + 127276.

It is an arithmetic number, because the mean of its divisors is an integer number (36105111).

Almost surely, 2^381927046 is an apocalyptic number.

381927046 is a deficient number, since it is larger than the sum of its proper divisors (195754730).

381927046 is a wasteful number, since it uses less digits than its factorization.

381927046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 381927046 is about 19542.9538708968. The cubic root of 381927046 is about 725.5379572912.

The spelling of 381927046 in words is "three hundred eighty-one million, nine hundred twenty-seven thousand, forty-six".