381409602 has 16 divisors (see below), whose sum is σ = 871793472. Its totient is φ = 108974160.

The previous prime is 381409577. The next prime is 381409607. The reversal of 381409602 is 206904183.

It is not an unprimeable number, because it can be changed into a prime (381409607) 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, 4540549 + ... + 4540632.

It is an arithmetic number, because the mean of its divisors is an integer number (54487092).

Almost surely, 2^381409602 is an apocalyptic number.

381409602 is an abundant number, since it is smaller than the sum of its proper divisors (490383870).

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

381409602 is a wasteful number, since it uses less digits than its factorization.

381409602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081193.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 381409602 is about 19529.7107505462. The cubic root of 381409602 is about 725.2101504151.

The spelling of 381409602 in words is "three hundred eighty-one million, four hundred nine thousand, six hundred two".