679465 has 4 divisors (see below), whose sum is σ = 815364. Its totient is φ = 543568.

The previous prime is 679463. The next prime is 679487. The reversal of 679465 is 564976.

679465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143641 + 535824 = 379^2 + 732^2 .

It is a cyclic number.

It is not a de Polignac number, because 679465 - 2¹ = 679463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67942 + ... + 67951.

It is an arithmetic number, because the mean of its divisors is an integer number (203841).

2⁶⁷⁹⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

679465 is a deficient number, since it is larger than the sum of its proper divisors (135899).

679465 is a wasteful number, since it uses less digits than its factorization.

679465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135898.

The product of its digits is 45360, while the sum is 37.

The square root of 679465 is about 824.2966698950. The cubic root of 679465 is about 87.9135255898.

It can be divided in two parts, 6794 and 65, that added together give a cube (6859 = 19³).

The spelling of 679465 in words is "six hundred seventy-nine thousand, four hundred sixty-five".