679402 has 12 divisors (see below), whose sum is σ = 1076706. Its totient is φ = 321480.

The previous prime is 679381. The next prime is 679403. The reversal of 679402 is 204976.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 130321 = 741^2 + 361^2 .

It is not an unprimeable number, because it can be changed into a prime (679403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252 + ... + 1192.

2⁶⁷⁹⁴⁰² is an apocalyptic number.

679402 is a deficient number, since it is larger than the sum of its proper divisors (397304).

679402 is a wasteful number, since it uses less digits than its factorization.

679402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 679402 is about 824.2584546124. The cubic root of 679402 is about 87.9108083915.

It can be divided in two parts, 679 and 402, that added together give a triangular number (1081 = T₄₆).

The spelling of 679402 in words is "six hundred seventy-nine thousand, four hundred two".