449453685 has 16 divisors (see below), whose sum is σ = 736666560. Its totient is φ = 233861760.

The previous prime is 449453677. The next prime is 449453699. The reversal of 449453685 is 586354944.

It is not a de Polignac number, because 449453685 - 2³ = 449453677 is a prime.

It is a super-2 number, since 2×449453685² = 404017229920158450, 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 15 ways as a sum of consecutive naturals, for example, 364795 + ... + 366024.

It is an arithmetic number, because the mean of its divisors is an integer number (46041660).

Almost surely, 2^449453685 is an apocalyptic number.

It is an amenable number.

449453685 is a deficient number, since it is larger than the sum of its proper divisors (287212875).

449453685 is a wasteful number, since it uses less digits than its factorization.

449453685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730868.

The product of its digits is 2073600, while the sum is 48.

The square root of 449453685 is about 21200.3227569771. The cubic root of 449453685 is about 765.9991984167. Note that the first 3 decimals are identical.

The spelling of 449453685 in words is "four hundred forty-nine million, four hundred fifty-three thousand, six hundred eighty-five".