383872455 has 24 divisors (see below), whose sum is σ = 673807680. Its totient is φ = 202138560.

The previous prime is 383872439. The next prime is 383872477. The reversal of 383872455 is 554278383.

It is not a de Polignac number, because 383872455 - 2⁴ = 383872439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 383872455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50436 + ... + 57545.

It is an arithmetic number, because the mean of its divisors is an integer number (28075320).

Almost surely, 2^383872455 is an apocalyptic number.

383872455 is a deficient number, since it is larger than the sum of its proper divisors (289935225).

383872455 is a wasteful number, since it uses less digits than its factorization.

383872455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108071 (or 108068 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 383872455 is about 19592.6632952235. The cubic root of 383872455 is about 726.7677543860.

The spelling of 383872455 in words is "three hundred eighty-three million, eight hundred seventy-two thousand, four hundred fifty-five".