389629852 has 12 divisors (see below), whose sum is σ = 682421040. Its totient is φ = 194652416.

The previous prime is 389629843. The next prime is 389629853. The reversal of 389629852 is 258926983.

It is a happy number.

It is a super-2 number, since 2×389629852² = 303622843139083808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 389629852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389629853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35152 + ... + 44887.

It is an arithmetic number, because the mean of its divisors is an integer number (56868420).

Almost surely, 2^389629852 is an apocalyptic number.

It is an amenable number.

389629852 is a deficient number, since it is larger than the sum of its proper divisors (292791188).

389629852 is a wasteful number, since it uses less digits than its factorization.

389629852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81260 (or 81258 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 389629852 is about 19739.0438471573. The cubic root of 389629852 is about 730.3831428380.

The spelling of 389629852 in words is "three hundred eighty-nine million, six hundred twenty-nine thousand, eight hundred fifty-two".