381433118 has 16 divisors (see below), whose sum is σ = 624729456. Its totient is φ = 173221440.

The previous prime is 381433109. The next prime is 381433121. The reversal of 381433118 is 811334183.

It is a congruent number.

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, 18980 + ... + 33512.

It is an arithmetic number, because the mean of its divisors is an integer number (39045591).

Almost surely, 2^381433118 is an apocalyptic number.

381433118 is a deficient number, since it is larger than the sum of its proper divisors (243296338).

381433118 is a wasteful number, since it uses less digits than its factorization.

381433118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15739.

The product of its digits is 6912, while the sum is 32.

The square root of 381433118 is about 19530.3127983143. The cubic root of 381433118 is about 725.2250545071.

The spelling of 381433118 in words is "three hundred eighty-one million, four hundred thirty-three thousand, one hundred eighteen".