389797494 has 16 divisors (see below), whose sum is σ = 797725632. Its totient is φ = 126910728.

The previous prime is 389797493. The next prime is 389797501. The reversal of 389797494 is 494797983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389797493) by changing a digit.

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, 755164 + ... + 755679.

It is an arithmetic number, because the mean of its divisors is an integer number (49857852).

Almost surely, 2^389797494 is an apocalyptic number.

389797494 is an abundant number, since it is smaller than the sum of its proper divisors (407928138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389797494 is a wasteful number, since it uses less digits than its factorization.

389797494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510891.

The product of its digits is 13716864, while the sum is 60.

The square root of 389797494 is about 19743.2898474393. The cubic root of 389797494 is about 730.4878792810.

The spelling of 389797494 in words is "three hundred eighty-nine million, seven hundred ninety-seven thousand, four hundred ninety-four".