981479 has 8 divisors (see below), whose sum is σ = 1034880. Its totient is φ = 929016.

The previous prime is 981473. The next prime is 981481. The reversal of 981479 is 974189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-981479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981473) 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, 3044 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (129360).

2⁹⁸¹⁴⁷⁹ is an apocalyptic number.

981479 is a deficient number, since it is larger than the sum of its proper divisors (53401).

981479 is a wasteful number, since it uses less digits than its factorization.

981479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 18144, while the sum is 38.

The square root of 981479 is about 990.6962198373. The cubic root of 981479 is about 99.3787822091.

The spelling of 981479 in words is "nine hundred eighty-one thousand, four hundred seventy-nine".