381293652 has 12 divisors (see below), whose sum is σ = 889685216. Its totient is φ = 127097880.

The previous prime is 381293611. The next prime is 381293683. The reversal of 381293652 is 256392183.

381293652 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

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.

381293652 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 381293652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15887224 + ... + 15887247.

Almost surely, 2^381293652 is an apocalyptic number.

It is an amenable number.

381293652 is an abundant number, since it is smaller than the sum of its proper divisors (508391564).

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

381293652 is a wasteful number, since it uses less digits than its factorization.

381293652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31774478 (or 31774476 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 381293652 is about 19526.7419709485. The cubic root of 381293652 is about 725.1366540663.

The spelling of 381293652 in words is "three hundred eighty-one million, two hundred ninety-three thousand, six hundred fifty-two".