406512412 has 12 divisors (see below), whose sum is σ = 711725616. Its totient is φ = 203162240.

The previous prime is 406512409. The next prime is 406512413. The reversal of 406512412 is 214215604.

It is a happy number.

It is a super-2 number, since 2×406512412² = 330504682220115488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406512413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13264 + ... + 31447.

It is an arithmetic number, because the mean of its divisors is an integer number (59310468).

Almost surely, 2^406512412 is an apocalyptic number.

It is an amenable number.

406512412 is a deficient number, since it is larger than the sum of its proper divisors (305213204).

406512412 is a wasteful number, since it uses less digits than its factorization.

406512412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46988 (or 46986 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 406512412 is about 20162.1529604355. The cubic root of 406512412 is about 740.7834483215.

The spelling of 406512412 in words is "four hundred six million, five hundred twelve thousand, four hundred twelve".