890874225 has 18 divisors (see below), whose sum is σ = 1595655126. Its totient is φ = 475132800.

The previous prime is 890874211. The next prime is 890874227. The reversal of 890874225 is 522478098.

890874225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8071281 + 882802944 = 2841^2 + 29712^2 .

It is not a de Polignac number, because 890874225 - 2⁴ = 890874209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (890874227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1979496 + ... + 1979945.

It is an arithmetic number, because the mean of its divisors is an integer number (88647507).

Almost surely, 2^890874225 is an apocalyptic number.

It is an amenable number.

890874225 is a deficient number, since it is larger than the sum of its proper divisors (704780901).

890874225 is a wasteful number, since it uses less digits than its factorization.

890874225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959457 (or 3959449 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 890874225 is about 29847.5162283229. The cubic root of 890874225 is about 962.2150187951.

The spelling of 890874225 in words is "eight hundred ninety million, eight hundred seventy-four thousand, two hundred twenty-five".