389496929 has 16 divisors (see below), whose sum is σ = 402124800. Its totient is φ = 377142480.

The previous prime is 389496907. The next prime is 389496931. The reversal of 389496929 is 929694983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389496929 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389490929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746512 + ... + 1746734.

It is an arithmetic number, because the mean of its divisors is an integer number (25132800).

Almost surely, 2^389496929 is an apocalyptic number.

It is an amenable number.

389496929 is a deficient number, since it is larger than the sum of its proper divisors (12627871).

389496929 is a wasteful number, since it uses less digits than its factorization.

389496929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 7558272, while the sum is 59.

The square root of 389496929 is about 19735.6765528826. The cubic root of 389496929 is about 730.3000761699.

The spelling of 389496929 in words is "three hundred eighty-nine million, four hundred ninety-six thousand, nine hundred twenty-nine".