989849754 has 16 divisors (see below), whose sum is σ = 2199666240. Its totient is φ = 329949900.

The previous prime is 989849743. The next prime is 989849761. The reversal of 989849754 is 457948989.

989849754 is a `hidden beast` number, since 9 + 8 + 98 + 497 + 54 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 989849691 and 989849700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9165222 + ... + 9165329.

It is an arithmetic number, because the mean of its divisors is an integer number (137479140).

Almost surely, 2^989849754 is an apocalyptic number.

989849754 is an abundant number, since it is smaller than the sum of its proper divisors (1209816486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989849754 is a wasteful number, since it uses less digits than its factorization.

989849754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18330562 (or 18330556 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 989849754 is about 31461.8777888415. The cubic root of 989849754 is about 996.6050721745.

The spelling of 989849754 in words is "nine hundred eighty-nine million, eight hundred forty-nine thousand, seven hundred fifty-four".