381937244 has 24 divisors (see below), whose sum is σ = 720347040. Its totient is φ = 176145984.

The previous prime is 381937243. The next prime is 381937291. The reversal of 381937244 is 442739183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381937243) 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, 113417 + ... + 116735.

It is an arithmetic number, because the mean of its divisors is an integer number (30014460).

Almost surely, 2^381937244 is an apocalyptic number.

It is an amenable number.

381937244 is a deficient number, since it is larger than the sum of its proper divisors (338409796).

381937244 is a wasteful number, since it uses less digits than its factorization.

381937244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549 (or 5547 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 381937244 is about 19543.2147816064. The cubic root of 381937244 is about 725.5444148685.

The spelling of 381937244 in words is "three hundred eighty-one million, nine hundred thirty-seven thousand, two hundred forty-four".