381967252 has 12 divisors (see below), whose sum is σ = 669223296. Its totient is φ = 190760600.

The previous prime is 381967147. The next prime is 381967273. The reversal of 381967252 is 252769183.

It is a junction number, because it is equal to n+sod(n) for n = 381967199 and 381967208.

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, 51874 + ... + 58777.

It is an arithmetic number, because the mean of its divisors is an integer number (55768608).

Almost surely, 2^381967252 is an apocalyptic number.

It is an amenable number.

381967252 is a deficient number, since it is larger than the sum of its proper divisors (287256044).

381967252 is a wasteful number, since it uses less digits than its factorization.

381967252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111518 (or 111516 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 381967252 is about 19543.9825010155. The cubic root of 381967252 is about 725.5634158666.

The spelling of 381967252 in words is "three hundred eighty-one million, nine hundred sixty-seven thousand, two hundred fifty-two".