389352249 has 48 divisors (see below), whose sum is σ = 663673920. Its totient is φ = 216846720.

The previous prime is 389352193. The next prime is 389352263. The reversal of 389352249 is 942253983.

It is a happy number.

389352249 is a `hidden beast` number, since 3 + 89 + 3 + 522 + 49 = 666.

It is not a de Polignac number, because 389352249 - 2⁷ = 389352121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389352449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363687 + ... + 364755.

It is an arithmetic number, because the mean of its divisors is an integer number (13826540).

Almost surely, 2^389352249 is an apocalyptic number.

389352249 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

389352249 is a deficient number, since it is larger than the sum of its proper divisors (274321671).

389352249 is a wasteful number, since it uses less digits than its factorization.

389352249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1379 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 389352249 is about 19732.0107693058. The cubic root of 389352249 is about 730.2096407968.

The spelling of 389352249 in words is "three hundred eighty-nine million, three hundred fifty-two thousand, two hundred forty-nine".