381075904 has 28 divisors (see below), whose sum is σ = 824944248. Its totient is φ = 173216000.

The previous prime is 381075887. The next prime is 381075973. The reversal of 381075904 is 409570183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269947 + ... + 271354.

Almost surely, 2^381075904 is an apocalyptic number.

It is an amenable number.

381075904 is an abundant number, since it is smaller than the sum of its proper divisors (443868344).

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

381075904 is a wasteful number, since it uses less digits than its factorization.

381075904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541324 (or 541314 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 381075904 is about 19521.1655389733. The cubic root of 381075904 is about 724.9985915153.

The spelling of 381075904 in words is "three hundred eighty-one million, seventy-five thousand, nine hundred four".