381295806 has 32 divisors (see below), whose sum is σ = 774806688. Its totient is φ = 125078400.

The previous prime is 381295801. The next prime is 381295807. The reversal of 381295806 is 608592183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381295801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103020 + ... + 106656.

It is an arithmetic number, because the mean of its divisors is an integer number (24212709).

Almost surely, 2^381295806 is an apocalyptic number.

381295806 is an abundant number, since it is smaller than the sum of its proper divisors (393510882).

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

381295806 is a wasteful number, since it uses less digits than its factorization.

381295806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 381295806 is about 19526.7971260010. The cubic root of 381295806 is about 725.1380195418.

The spelling of 381295806 in words is "three hundred eighty-one million, two hundred ninety-five thousand, eight hundred six".