381107712 has 40 divisors (see below), whose sum is σ = 1015298856. Its totient is φ = 127035392.

The previous prime is 381107653. The next prime is 381107747. The reversal of 381107712 is 217701183.

It is a self number, because there is not a number n which added to its sum of digits gives 381107712.

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, 122523 + ... + 125594.

Almost surely, 2^381107712 is an apocalyptic number.

381107712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381107712 is an abundant number, since it is smaller than the sum of its proper divisors (634191144).

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

381107712 is an equidigital number, since it uses as much as digits as its factorization.

381107712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248138 (or 248122 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 381107712 is about 19521.9802274257. The cubic root of 381107712 is about 725.0187625743.

Adding to 381107712 its reverse (217701183), we get a palindrome (598808895).

The spelling of 381107712 in words is "three hundred eighty-one million, one hundred seven thousand, seven hundred twelve".