8439412 has 24 divisors (see below), whose sum is σ = 15845760. Its totient is φ = 3918720.

The previous prime is 8439383. The next prime is 8439437. The reversal of 8439412 is 2149348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4587 + ... + 6157.

It is an arithmetic number, because the mean of its divisors is an integer number (660240).

Almost surely, 2^8439412 is an apocalyptic number.

It is an amenable number.

8439412 is a deficient number, since it is larger than the sum of its proper divisors (7406348).

8439412 is a wasteful number, since it uses less digits than its factorization.

8439412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1669 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 8439412 is about 2905.0666085307. The cubic root of 8439412 is about 203.5966977617.

Subtracting from 8439412 its reverse (2149348), we obtain a square (6290064 = 2508²).

The spelling of 8439412 in words is "eight million, four hundred thirty-nine thousand, four hundred twelve".