383885240 has 16 divisors (see below), whose sum is σ = 863741880. Its totient is φ = 153554080.

The previous prime is 383885233. The next prime is 383885251. The reversal of 383885240 is 42588383.

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 3 ways as a sum of consecutive naturals, for example, 4798526 + ... + 4798605.

Almost surely, 2^383885240 is an apocalyptic number.

It is an amenable number.

383885240 is an abundant number, since it is smaller than the sum of its proper divisors (479856640).

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

383885240 is a wasteful number, since it uses less digits than its factorization.

383885240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9597142 (or 9597138 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 383885240 is about 19592.9895625961. The cubic root of 383885240 is about 726.7758227105.

The spelling of 383885240 in words is "three hundred eighty-three million, eight hundred eighty-five thousand, two hundred forty".