389253429 has 12 divisors (see below), whose sum is σ = 563077632. Its totient is φ = 259122600.

The previous prime is 389253407. The next prime is 389253439. The reversal of 389253429 is 924352983.

It is a happy number.

389253429 is a `hidden beast` number, since 3 + 8 + 92 + 534 + 29 = 666.

It is not a de Polignac number, because 389253429 - 2²⁰ = 388204853 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389253439) 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, 25077 + ... + 37514.

It is an arithmetic number, because the mean of its divisors is an integer number (46923136).

Almost surely, 2^389253429 is an apocalyptic number.

It is an amenable number.

389253429 is a deficient number, since it is larger than the sum of its proper divisors (173824203).

389253429 is a wasteful number, since it uses less digits than its factorization.

389253429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63288 (or 63285 counting only the distinct ones).

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

The square root of 389253429 is about 19729.5065574383. The cubic root of 389253429 is about 730.1478583341.

The spelling of 389253429 in words is "three hundred eighty-nine million, two hundred fifty-three thousand, four hundred twenty-nine".