383585240 has 32 divisors (see below), whose sum is σ = 866669760. Its totient is φ = 152793600.

The previous prime is 383585219. The next prime is 383585249. The reversal of 383585240 is 42585383.

It is a junction number, because it is equal to n+sod(n) for n = 383585194 and 383585203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383585249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10256 + ... + 29535.

It is an arithmetic number, because the mean of its divisors is an integer number (27083430).

Almost surely, 2^383585240 is an apocalyptic number.

It is an amenable number.

383585240 is an abundant number, since it is smaller than the sum of its proper divisors (483084520).

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

383585240 is a wasteful number, since it uses less digits than its factorization.

383585240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40043 (or 40039 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 383585240 is about 19585.3322667756. The cubic root of 383585240 is about 726.5864522554.

The spelling of 383585240 in words is "three hundred eighty-three million, five hundred eighty-five thousand, two hundred forty".