8427412 has 72 divisors (see below), whose sum is σ = 18896640. Its totient is φ = 3265920.

The previous prime is 8427403. The next prime is 8427413. The reversal of 8427412 is 2147248.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115408 + ... + 115480.

Almost surely, 2^8427412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8427412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9448320).

8427412 is an abundant number, since it is smaller than the sum of its proper divisors (10469228).

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

8427412 is a wasteful number, since it uses less digits than its factorization.

8427412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 132 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 8427412 is about 2903.0005167068. Note that the first 3 decimals coincide. The cubic root of 8427412 is about 203.5001539398.

The spelling of 8427412 in words is "eight million, four hundred twenty-seven thousand, four hundred twelve".