381046146 has 32 divisors (see below), whose sum is σ = 825043968. Its totient is φ = 116626560.

The previous prime is 381046139. The next prime is 381046181. The reversal of 381046146 is 641640183.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110 + ... + 27686.

It is an arithmetic number, because the mean of its divisors is an integer number (25782624).

Almost surely, 2^381046146 is an apocalyptic number.

381046146 is an abundant number, since it is smaller than the sum of its proper divisors (443997822).

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

381046146 is a wasteful number, since it uses less digits than its factorization.

381046146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25786.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 381046146 is about 19520.4033257512. The cubic root of 381046146 is about 724.9797194485.

The spelling of 381046146 in words is "three hundred eighty-one million, forty-six thousand, one hundred forty-six".