449023473 has 16 divisors (see below), whose sum is σ = 677773440. Its totient is φ = 293699952.

The previous prime is 449023459. The next prime is 449023483. The reversal of 449023473 is 374320944.

It is not a de Polignac number, because 449023473 - 2⁵ = 449023441 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (449023433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155461 + ... + 158322.

It is an arithmetic number, because the mean of its divisors is an integer number (42360840).

Almost surely, 2^449023473 is an apocalyptic number.

It is an amenable number.

449023473 is a deficient number, since it is larger than the sum of its proper divisors (228749967).

449023473 is a wasteful number, since it uses less digits than its factorization.

449023473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313845 (or 313839 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 449023473 is about 21190.1739728583. The cubic root of 449023473 is about 765.7547184634.

The spelling of 449023473 in words is "four hundred forty-nine million, twenty-three thousand, four hundred seventy-three".