890029917 has 64 divisors (see below), whose sum is σ = 1601740800. Its totient is φ = 476824320.

The previous prime is 890029913. The next prime is 890029949. The reversal of 890029917 is 719920098.

It is not a de Polignac number, because 890029917 - 2² = 890029913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890029913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1410192 + ... + 1410822.

It is an arithmetic number, because the mean of its divisors is an integer number (25027200).

Almost surely, 2^890029917 is an apocalyptic number.

It is an amenable number.

890029917 is a deficient number, since it is larger than the sum of its proper divisors (711710883).

890029917 is a wasteful number, since it uses less digits than its factorization.

890029917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 890029917 is about 29833.3691861982. The cubic root of 890029917 is about 961.9109494523.

The spelling of 890029917 in words is "eight hundred ninety million, twenty-nine thousand, nine hundred seventeen".