381755652 has 24 divisors (see below), whose sum is σ = 921480000. Its totient is φ = 122863776.

The previous prime is 381755611. The next prime is 381755663. The reversal of 381755652 is 256557183.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548152 + ... + 548847.

It is an arithmetic number, because the mean of its divisors is an integer number (38395000).

Almost surely, 2^381755652 is an apocalyptic number.

It is an amenable number.

381755652 is an abundant number, since it is smaller than the sum of its proper divisors (539724348).

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

381755652 is a wasteful number, since it uses less digits than its factorization.

381755652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097035 (or 1097033 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 381755652 is about 19538.5683201201. The cubic root of 381755652 is about 725.4294099825.

The spelling of 381755652 in words is "three hundred eighty-one million, seven hundred fifty-five thousand, six hundred fifty-two".