381038844 has 24 divisors (see below), whose sum is σ = 935885440. Its totient is φ = 120327984.

The previous prime is 381038813. The next prime is 381038857. The reversal of 381038844 is 448830183.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 835384 + ... + 835839.

Almost surely, 2^381038844 is an apocalyptic number.

It is an amenable number.

381038844 is an abundant number, since it is smaller than the sum of its proper divisors (554846596).

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

381038844 is a wasteful number, since it uses less digits than its factorization.

381038844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671249 (or 1671247 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 381038844 is about 19520.2162897853. The cubic root of 381038844 is about 724.9750884821.

The spelling of 381038844 in words is "three hundred eighty-one million, thirty-eight thousand, eight hundred forty-four".