449633406 has 16 divisors (see below), whose sum is σ = 899973648. Its totient is φ = 149760000.

The previous prime is 449633389. The next prime is 449633491. The reversal of 449633406 is 604336944.

It is a happy number.

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, 20995 + ... + 36606.

It is an arithmetic number, because the mean of its divisors is an integer number (56248353).

Almost surely, 2^449633406 is an apocalyptic number.

449633406 is an abundant number, since it is smaller than the sum of its proper divisors (450340242).

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

449633406 is a wasteful number, since it uses less digits than its factorization.

449633406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58907.

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 449633406 is about 21204.5609716400. The cubic root of 449633406 is about 766.1012836825.

The spelling of 449633406 in words is "four hundred forty-nine million, six hundred thirty-three thousand, four hundred six".