389946495 has 8 divisors (see below), whose sum is σ = 623914416. Its totient is φ = 207971456.

The previous prime is 389946463. The next prime is 389946547. The reversal of 389946495 is 594649983.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 389946495 - 2⁵ = 389946463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12998202 + ... + 12998231.

It is an arithmetic number, because the mean of its divisors is an integer number (77989302).

Almost surely, 2^389946495 is an apocalyptic number.

389946495 is a deficient number, since it is larger than the sum of its proper divisors (233967921).

389946495 is a wasteful number, since it uses less digits than its factorization.

389946495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25996441.

The product of its digits is 8398080, while the sum is 57.

The square root of 389946495 is about 19747.0629461700. The cubic root of 389946495 is about 730.5809443217.

The spelling of 389946495 in words is "three hundred eighty-nine million, nine hundred forty-six thousand, four hundred ninety-five".