890449287 has 32 divisors (see below), whose sum is σ = 1463239680. Its totient is φ = 469048320.

The previous prime is 890449279. The next prime is 890449303. The reversal of 890449287 is 782944098.

890449287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 890449287 - 2³ = 890449279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890449247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251862 + ... + 255372.

It is an arithmetic number, because the mean of its divisors is an integer number (45726240).

Almost surely, 2^890449287 is an apocalyptic number.

890449287 is a deficient number, since it is larger than the sum of its proper divisors (572790393).

890449287 is a wasteful number, since it uses less digits than its factorization.

890449287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 890449287 is about 29840.3968974945. The cubic root of 890449287 is about 962.0620055181.

The spelling of 890449287 in words is "eight hundred ninety million, four hundred forty-nine thousand, two hundred eighty-seven".