449087261 has 8 divisors (see below), whose sum is σ = 515903424. Its totient is φ = 382936320.

The previous prime is 449087251. The next prime is 449087269. The reversal of 449087261 is 162780944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449087261 - 2²⁶ = 381978397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449087269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164855 + ... + 167556.

It is an arithmetic number, because the mean of its divisors is an integer number (64487928).

Almost surely, 2^449087261 is an apocalyptic number.

It is an amenable number.

449087261 is a deficient number, since it is larger than the sum of its proper divisors (66816163).

449087261 is a wasteful number, since it uses less digits than its factorization.

449087261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332611.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 449087261 is about 21191.6790509860. The cubic root of 449087261 is about 765.7909776288.

The spelling of 449087261 in words is "four hundred forty-nine million, eighty-seven thousand, two hundred sixty-one".