890506245 has 16 divisors (see below), whose sum is σ = 1431092160. Its totient is φ = 472842624.

The previous prime is 890506241. The next prime is 890506247. The reversal of 890506245 is 542605098.

It is not a de Polignac number, because 890506245 - 2² = 890506241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890506241) 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, 127360 + ... + 134169.

It is an arithmetic number, because the mean of its divisors is an integer number (89443260).

Almost surely, 2^890506245 is an apocalyptic number.

It is an amenable number.

890506245 is a deficient number, since it is larger than the sum of its proper divisors (540585915).

890506245 is a wasteful number, since it uses less digits than its factorization.

890506245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261764.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 890506245 is about 29841.3512596196. The cubic root of 890506245 is about 962.0825179943.

The spelling of 890506245 in words is "eight hundred ninety million, five hundred six thousand, two hundred forty-five".