383902285 has 8 divisors (see below), whose sum is σ = 496119960. Its totient is φ = 283497024.

The previous prime is 383902273. The next prime is 383902289. The reversal of 383902285 is 582209383.

It can be written as a sum of positive squares in 4 ways, for example, as 447561 + 383454724 = 669^2 + 19582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 383902285 - 2¹⁹ = 383377997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383902289) 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, 2953030 + ... + 2953159.

It is an arithmetic number, because the mean of its divisors is an integer number (62014995).

Almost surely, 2^383902285 is an apocalyptic number.

It is an amenable number.

383902285 is a deficient number, since it is larger than the sum of its proper divisors (112217675).

383902285 is a wasteful number, since it uses less digits than its factorization.

383902285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906207.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 383902285 is about 19593.4245347770. The cubic root of 383902285 is about 726.7865791461.

The spelling of 383902285 in words is "three hundred eighty-three million, nine hundred two thousand, two hundred eighty-five".