381803196 has 12 divisors (see below), whose sum is σ = 890874152. Its totient is φ = 127267728.

The previous prime is 381803189. The next prime is 381803251. The reversal of 381803196 is 691308183.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15908455 + ... + 15908478.

Almost surely, 2^381803196 is an apocalyptic number.

It is an amenable number.

381803196 is an abundant number, since it is smaller than the sum of its proper divisors (509070956).

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

381803196 is a wasteful number, since it uses less digits than its factorization.

381803196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31816940 (or 31816938 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 381803196 is about 19539.7849527573. The cubic root of 381803196 is about 725.4595238210.

The spelling of 381803196 in words is "three hundred eighty-one million, eight hundred three thousand, one hundred ninety-six".