389496497 has 12 divisors (see below), whose sum is σ = 424583424. Its totient is φ = 357130800.

The previous prime is 389496461. The next prime is 389496509. The reversal of 389496497 is 794694983.

It is not a de Polignac number, because 389496497 - 2⁸ = 389496241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389496397) 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, 17888 + ... + 33150.

It is an arithmetic number, because the mean of its divisors is an integer number (35381952).

Almost surely, 2^389496497 is an apocalyptic number.

It is an amenable number.

389496497 is a deficient number, since it is larger than the sum of its proper divisors (35086927).

389496497 is a wasteful number, since it uses less digits than its factorization.

389496497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440 (or 15427 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The square root of 389496497 is about 19735.6656082332. The cubic root of 389496497 is about 730.2998061723.

The spelling of 389496497 in words is "three hundred eighty-nine million, four hundred ninety-six thousand, four hundred ninety-seven".