679455 has 32 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 310176.

The previous prime is 679451. The next prime is 679463. The reversal of 679455 is 554976.

It is not a de Polignac number, because 679455 - 2² = 679451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁶⁷⁹⁴⁵⁵ is an apocalyptic number.

679455 is an abundant number, since it is smaller than the sum of its proper divisors (702945).

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

679455 is a wasteful number, since it uses less digits than its factorization.

679455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 734 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 679455 is about 824.2906040954. The cubic root of 679455 is about 87.9130942997.

The spelling of 679455 in words is "six hundred seventy-nine thousand, four hundred fifty-five".