383428560 has 40 divisors (see below), whose sum is σ = 1188629280. Its totient is φ = 102247552.

The previous prime is 383428547. The next prime is 383428589. The reversal of 383428560 is 65824383.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 798570 + ... + 799049.

It is an arithmetic number, because the mean of its divisors is an integer number (29715732).

Almost surely, 2^383428560 is an apocalyptic number.

383428560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383428560 is an abundant number, since it is smaller than the sum of its proper divisors (805200720).

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

383428560 is a wasteful number, since it uses less digits than its factorization.

383428560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597635 (or 1597629 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 383428560 is about 19581.3319260974. The cubic root of 383428560 is about 726.4875111275.

The spelling of 383428560 in words is "three hundred eighty-three million, four hundred twenty-eight thousand, five hundred sixty".