383648490 has 48 divisors (see below), whose sum is σ = 1010131200. Its totient is φ = 101009376.

The previous prime is 383648471. The next prime is 383648491. The reversal of 383648490 is 94846383.

383648490 is a `hidden beast` number, since 3 + 83 + 6 + 484 + 90 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (383648491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19870 + ... + 34089.

It is an arithmetic number, because the mean of its divisors is an integer number (21044400).

Almost surely, 2^383648490 is an apocalyptic number.

383648490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

383648490 is an abundant number, since it is smaller than the sum of its proper divisors (626482710).

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

383648490 is a wasteful number, since it uses less digits than its factorization.

383648490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54051 (or 54048 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 383648490 is about 19586.9469290137. The cubic root of 383648490 is about 726.6263860716.

It can be divided in two parts, 3836 and 48490, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 383648490 in words is "three hundred eighty-three million, six hundred forty-eight thousand, four hundred ninety".