381969082 has 16 divisors (see below), whose sum is σ = 625351104. Its totient is φ = 173536000.

The previous prime is 381969061. The next prime is 381969109. The reversal of 381969082 is 280969183.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67482 + ... + 72922.

It is an arithmetic number, because the mean of its divisors is an integer number (39084444).

Almost surely, 2^381969082 is an apocalyptic number.

381969082 is a deficient number, since it is larger than the sum of its proper divisors (243382022).

381969082 is a wasteful number, since it uses less digits than its factorization.

381969082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8645.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 381969082 is about 19544.0293184389. The cubic root of 381969082 is about 725.5645745863.

It can be divided in two parts, 38196 and 9082, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 381969082 in words is "three hundred eighty-one million, nine hundred sixty-nine thousand, eighty-two".