890442790 has 16 divisors (see below), whose sum is σ = 1687155120. Its totient is φ = 337430880.

The previous prime is 890442743. The next prime is 890442793. The reversal of 890442790 is 97244098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890442793) 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, 2343081 + ... + 2343460.

It is an arithmetic number, because the mean of its divisors is an integer number (105447195).

Almost surely, 2^890442790 is an apocalyptic number.

890442790 is a deficient number, since it is larger than the sum of its proper divisors (796712330).

890442790 is a wasteful number, since it uses less digits than its factorization.

890442790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686567.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 890442790 is about 29840.2880348029. The cubic root of 890442790 is about 962.0596656760.

The spelling of 890442790 in words is "eight hundred ninety million, four hundred forty-two thousand, seven hundred ninety".