449387292 has 12 divisors (see below), whose sum is σ = 1048570376. Its totient is φ = 149795760.

The previous prime is 449387273. The next prime is 449387339. The reversal of 449387292 is 292783944.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×449387292² = 403897876422186528, which contains 22 as substring.

It is a congruent number.

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, 18724459 + ... + 18724482.

Almost surely, 2^449387292 is an apocalyptic number.

It is an amenable number.

449387292 is an abundant number, since it is smaller than the sum of its proper divisors (599183084).

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

449387292 is a wasteful number, since it uses less digits than its factorization.

449387292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37448948 (or 37448946 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 449387292 is about 21198.7568503438. The cubic root of 449387292 is about 765.9614789283.

The spelling of 449387292 in words is "four hundred forty-nine million, three hundred eighty-seven thousand, two hundred ninety-two".