381934292 has 12 divisors (see below), whose sum is σ = 691432980. Its totient is φ = 184382016.

The previous prime is 381934279. The next prime is 381934307. The reversal of 381934292 is 292439183.

It can be written as a sum of positive squares in 2 ways, for example, as 238270096 + 143664196 = 15436^2 + 11986^2 .

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, 1646153 + ... + 1646384.

It is an arithmetic number, because the mean of its divisors is an integer number (57619415).

Almost surely, 2^381934292 is an apocalyptic number.

It is an amenable number.

381934292 is a deficient number, since it is larger than the sum of its proper divisors (309498688).

381934292 is a wasteful number, since it uses less digits than its factorization.

381934292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292570 (or 3292568 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 381934292 is about 19543.1392565268. The cubic root of 381934292 is about 725.5425456149.

The spelling of 381934292 in words is "three hundred eighty-one million, nine hundred thirty-four thousand, two hundred ninety-two".