383057540 has 24 divisors (see below), whose sum is σ = 808872792. Its totient is φ = 152375040.

The previous prime is 383057531. The next prime is 383057551. The reversal of 383057540 is 45750383.

It can be written as a sum of positive squares in 4 ways, for example, as 30294016 + 352763524 = 5504^2 + 18782^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 383057540.

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, 49289 + ... + 56528.

It is an arithmetic number, because the mean of its divisors is an integer number (33703033).

Almost surely, 2^383057540 is an apocalyptic number.

It is an amenable number.

383057540 is an abundant number, since it is smaller than the sum of its proper divisors (425815252).

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

383057540 is a wasteful number, since it uses less digits than its factorization.

383057540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106007 (or 106005 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 383057540 is about 19571.8558138977. The cubic root of 383057540 is about 726.2531098937.

The spelling of 383057540 in words is "three hundred eighty-three million, fifty-seven thousand, five hundred forty".