383649357 has 16 divisors (see below), whose sum is σ = 629578880. Its totient is φ = 202364352.

The previous prime is 383649293. The next prime is 383649379. The reversal of 383649357 is 753946383.

It is not a de Polignac number, because 383649357 - 2⁶ = 383649293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383649257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702382 + ... + 702927.

It is an arithmetic number, because the mean of its divisors is an integer number (39348680).

Almost surely, 2^383649357 is an apocalyptic number.

It is an amenable number.

383649357 is a deficient number, since it is larger than the sum of its proper divisors (245929523).

383649357 is a wasteful number, since it uses less digits than its factorization.

383649357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405332.

The product of its digits is 1632960, while the sum is 48.

The square root of 383649357 is about 19586.9690610875. The cubic root of 383649357 is about 726.6269334343.

The spelling of 383649357 in words is "three hundred eighty-three million, six hundred forty-nine thousand, three hundred fifty-seven".