679402461 has 4 divisors (see below), whose sum is σ = 905869952. Its totient is φ = 452934972.

The previous prime is 679402439. The next prime is 679402463. The reversal of 679402461 is 164204976.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 679402461 - 2⁷ = 679402333 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 (679402463) 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, 113233741 + ... + 113233746.

It is an arithmetic number, because the mean of its divisors is an integer number (226467488).

Almost surely, 2^679402461 is an apocalyptic number.

It is an amenable number.

679402461 is a deficient number, since it is larger than the sum of its proper divisors (226467491).

679402461 is a wasteful number, since it uses less digits than its factorization.

679402461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226467490.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 679402461 is about 26065.3498154159. The cubic root of 679402461 is about 879.1082827512.

The spelling of 679402461 in words is "six hundred seventy-nine million, four hundred two thousand, four hundred sixty-one".