381020932 has 24 divisors (see below), whose sum is σ = 715962240. Its totient is φ = 176776320.

The previous prime is 381020911. The next prime is 381020933. The reversal of 381020932 is 239020183.

It is a self number, because there is not a number n which added to its sum of digits gives 381020932.

It is not an unprimeable number, because it can be changed into a prime (381020933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34632 + ... + 44287.

It is an arithmetic number, because the mean of its divisors is an integer number (29831760).

Almost surely, 2^381020932 is an apocalyptic number.

It is an amenable number.

381020932 is a deficient number, since it is larger than the sum of its proper divisors (334941308).

381020932 is a wasteful number, since it uses less digits than its factorization.

381020932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79011 (or 79009 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 381020932 is about 19519.7574780016. The cubic root of 381020932 is about 724.9637283479.

It can be divided in two parts, 3810 and 20932, that added together give a palindrome (24742).

The spelling of 381020932 in words is "three hundred eighty-one million, twenty thousand, nine hundred thirty-two".