383249663 has 12 divisors (see below), whose sum is σ = 401236680. Its totient is φ = 365696496.

The previous prime is 383249623. The next prime is 383249677. The reversal of 383249663 is 366942383.

It is not a de Polignac number, because 383249663 - 2²⁰ = 382201087 is a prime.

It is a super-2 number, since 2×383249663² = 293760608379227138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383249623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914468 + ... + 914886.

It is an arithmetic number, because the mean of its divisors is an integer number (33436390).

Almost surely, 2^383249663 is an apocalyptic number.

383249663 is a deficient number, since it is larger than the sum of its proper divisors (17987017).

383249663 is an frugal number, since it uses more digits than its factorization.

383249663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 515 counting only the distinct ones).

The product of its digits is 559872, while the sum is 44.

The square root of 383249663 is about 19576.7633433109. The cubic root of 383249663 is about 726.3745073263.

The spelling of 383249663 in words is "three hundred eighty-three million, two hundred forty-nine thousand, six hundred sixty-three".