6406412 has 12 divisors (see below), whose sum is σ = 11232816. Its totient is φ = 3197040.

The previous prime is 6406381. The next prime is 6406427. The reversal of 6406412 is 2146046.

It is a happy number.

It is a super-2 number, since 2×6406412² = 82084229427488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433 + ... + 3855.

It is an arithmetic number, because the mean of its divisors is an integer number (936068).

Almost surely, 2^6406412 is an apocalyptic number.

It is an amenable number.

6406412 is a deficient number, since it is larger than the sum of its proper divisors (4826404).

6406412 is a wasteful number, since it uses less digits than its factorization.

6406412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6406412 is about 2531.0890936512. The cubic root of 6406412 is about 185.7255365401.

The spelling of 6406412 in words is "six million, four hundred six thousand, four hundred twelve".