8412440 has 32 divisors (see below), whose sum is σ = 19926000. Its totient is φ = 3187584.

The previous prime is 8412409. The next prime is 8412451. The reversal of 8412440 is 442148.

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, 4775 + ... + 6294.

Almost surely, 2^8412440 is an apocalyptic number.

It is an amenable number.

8412440 is an abundant number, since it is smaller than the sum of its proper divisors (11513560).

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

8412440 is a wasteful number, since it uses less digits than its factorization.

8412440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099 (or 11095 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 8412440 is about 2900.4206591458. The cubic root of 8412440 is about 203.3795708400.

Adding to 8412440 its reverse (442148), we get a palindrome (8854588).

The spelling of 8412440 in words is "eight million, four hundred twelve thousand, four hundred forty".