979555 has 8 divisors (see below), whose sum is σ = 1180800. Its totient is φ = 780096.

The previous prime is 979553. The next prime is 979567. The reversal of 979555 is 555979.

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

It is a cyclic number.

It is not a de Polignac number, because 979555 - 2¹ = 979553 is a prime.

979555 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (979553) 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, 1806 + ... + 2284.

It is an arithmetic number, because the mean of its divisors is an integer number (147600).

2⁹⁷⁹⁵⁵⁵ is an apocalyptic number.

979555 is a deficient number, since it is larger than the sum of its proper divisors (201245).

979555 is a wasteful number, since it uses less digits than its factorization.

979555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its digits is 70875, while the sum is 40.

The square root of 979555 is about 989.7247091995. The cubic root of 979555 is about 99.3138020946.

It can be divided in two parts, 979 and 555, that multiplied together give a palindrome (543345).

The spelling of 979555 in words is "nine hundred seventy-nine thousand, five hundred fifty-five".