989835741 has 16 divisors (see below), whose sum is σ = 1466942400. Its totient is φ = 659656944.

The previous prime is 989835731. The next prime is 989835767. The reversal of 989835741 is 147538989.

It is not a de Polignac number, because 989835741 - 2⁵ = 989835709 is a prime.

It is a super-2 number, since 2×989835741² = 1959549588322038162, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989835731) 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, 107830 + ... + 116648.

It is an arithmetic number, because the mean of its divisors is an integer number (91683900).

Almost surely, 2^989835741 is an apocalyptic number.

It is an amenable number.

989835741 is a deficient number, since it is larger than the sum of its proper divisors (477106659).

989835741 is a wasteful number, since it uses less digits than its factorization.

989835741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985 (or 12979 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 989835741 is about 31461.6550899663. The cubic root of 989835741 is about 996.6003692747.

The spelling of 989835741 in words is "nine hundred eighty-nine million, eight hundred thirty-five thousand, seven hundred forty-one".