898790493 has 16 divisors (see below), whose sum is σ = 1276490880. Its totient is φ = 560564736.

The previous prime is 898790489. The next prime is 898790507. The reversal of 898790493 is 394097898.

It is not a de Polignac number, because 898790493 - 2² = 898790489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898790413) 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, 44248 + ... + 61281.

It is an arithmetic number, because the mean of its divisors is an integer number (79780680).

Almost surely, 2^898790493 is an apocalyptic number.

It is an amenable number.

898790493 is a deficient number, since it is larger than the sum of its proper divisors (377700387).

898790493 is a wasteful number, since it uses less digits than its factorization.

898790493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105716.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 898790493 is about 29979.8347727268. The cubic root of 898790493 is about 965.0566847245.

The spelling of 898790493 in words is "eight hundred ninety-eight million, seven hundred ninety thousand, four hundred ninety-three".