449947404 has 36 divisors (see below), whose sum is σ = 1138029984. Its totient is φ = 149895072.

The previous prime is 449947397. The next prime is 449947439. The reversal of 449947404 is 404749944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 449947404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97354 + ... + 101870.

It is an arithmetic number, because the mean of its divisors is an integer number (31611944).

Almost surely, 2^449947404 is an apocalyptic number.

It is an amenable number.

449947404 is an abundant number, since it is smaller than the sum of its proper divisors (688082580).

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

449947404 is a wasteful number, since it uses less digits than its factorization.

449947404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7294 (or 7289 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 449947404 is about 21211.9636997615. The cubic root of 449947404 is about 766.2795758148.

The spelling of 449947404 in words is "four hundred forty-nine million, nine hundred forty-seven thousand, four hundred four".