381704632 has 16 divisors (see below), whose sum is σ = 716095800. Its totient is φ = 190745760.

The previous prime is 381704627. The next prime is 381704647. The reversal of 381704632 is 236407183.

It is a happy number.

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, 3094 + ... + 27802.

Almost surely, 2^381704632 is an apocalyptic number.

It is an amenable number.

381704632 is a deficient number, since it is larger than the sum of its proper divisors (334391168).

381704632 is a wasteful number, since it uses less digits than its factorization.

381704632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26646 (or 26642 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 381704632 is about 19537.2626537087. The cubic root of 381704632 is about 725.3970917032.

The spelling of 381704632 in words is "three hundred eighty-one million, seven hundred four thousand, six hundred thirty-two".