406634212 has 12 divisors (see below), whose sum is σ = 715187200. Its totient is φ = 202295016.

The previous prime is 406634191. The next prime is 406634213. The reversal of 406634212 is 212436604.

It is not an unprimeable number, because it can be changed into a prime (406634213) 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, 254628 + ... + 256219.

Almost surely, 2^406634212 is an apocalyptic number.

It is an amenable number.

406634212 is a deficient number, since it is larger than the sum of its proper divisors (308552988).

406634212 is a wasteful number, since it uses less digits than its factorization.

406634212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511050 (or 511048 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 406634212 is about 20165.1732449786. The cubic root of 406634212 is about 740.8574259020.

The spelling of 406634212 in words is "four hundred six million, six hundred thirty-four thousand, two hundred twelve".