389868029 has 8 divisors (see below), whose sum is σ = 398481408. Its totient is φ = 381341520.

The previous prime is 389868023. The next prime is 389868043. The reversal of 389868029 is 920868983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389868029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389868023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12602 + ... + 30635.

It is an arithmetic number, because the mean of its divisors is an integer number (49810176).

Almost surely, 2^389868029 is an apocalyptic number.

It is an amenable number.

389868029 is a deficient number, since it is larger than the sum of its proper divisors (8613379).

389868029 is a wasteful number, since it uses less digits than its factorization.

389868029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43435.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 389868029 is about 19745.0760697446. The cubic root of 389868029 is about 730.5319379318.

The spelling of 389868029 in words is "three hundred eighty-nine million, eight hundred sixty-eight thousand, twenty-nine".