381103964 has 24 divisors (see below), whose sum is σ = 691664400. Its totient is φ = 183518720.

The previous prime is 381103927. The next prime is 381103981. The reversal of 381103964 is 469301183.

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, 44684 + ... + 52524.

It is an arithmetic number, because the mean of its divisors is an integer number (28819350).

Almost surely, 2^381103964 is an apocalyptic number.

It is an amenable number.

381103964 is a deficient number, since it is larger than the sum of its proper divisors (310560436).

381103964 is a wasteful number, since it uses less digits than its factorization.

381103964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293 (or 8291 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 381103964 is about 19521.8842328296. The cubic root of 381103964 is about 725.0163858366.

The spelling of 381103964 in words is "three hundred eighty-one million, one hundred three thousand, nine hundred sixty-four".