8389772 has 12 divisors (see below), whose sum is σ = 15545880. Its totient is φ = 3948096.

The previous prime is 8389769. The next prime is 8389781. The reversal of 8389772 is 2779838.

It is a happy number.

It is a d-powerful number, because it can be written as 8 + 3⁵ + 8³ + 9 + 7² + 7³ + 2²³ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61622 + ... + 61757.

It is an arithmetic number, because the mean of its divisors is an integer number (1295490).

Almost surely, 2^8389772 is an apocalyptic number.

It is an amenable number.

8389772 is a deficient number, since it is larger than the sum of its proper divisors (7156108).

8389772 is a wasteful number, since it uses less digits than its factorization.

8389772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123400 (or 123398 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 8389772 is about 2896.5103141539. The cubic root of 8389772 is about 203.1967322826.

The spelling of 8389772 in words is "eight million, three hundred eighty-nine thousand, seven hundred seventy-two".