981579349 has 16 divisors (see below), whose sum is σ = 1101127680. Its totient is φ = 870542640.

The previous prime is 981579341. The next prime is 981579353. The reversal of 981579349 is 943975189.

981579349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 981579349 - 2³ = 981579341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 981579349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981579341) 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, 3357 + ... + 44434.

It is an arithmetic number, because the mean of its divisors is an integer number (68820480).

Almost surely, 2^981579349 is an apocalyptic number.

It is an amenable number.

981579349 is a deficient number, since it is larger than the sum of its proper divisors (119548331).

981579349 is a wasteful number, since it uses less digits than its factorization.

981579349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47880.

The product of its digits is 2449440, while the sum is 55.

The square root of 981579349 is about 31330.1667566580. The cubic root of 981579349 is about 993.8216900986.

The spelling of 981579349 in words is "nine hundred eighty-one million, five hundred seventy-nine thousand, three hundred forty-nine".