679996149 has 16 divisors (see below), whose sum is σ = 1090721280. Its totient is φ = 368118000.

The previous prime is 679996133. The next prime is 679996157. The reversal of 679996149 is 941699976.

It is not a de Polignac number, because 679996149 - 2⁴ = 679996133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679996092 and 679996101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679996159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851727 + ... + 852524.

It is an arithmetic number, because the mean of its divisors is an integer number (68170080).

Almost surely, 2^679996149 is an apocalyptic number.

It is an amenable number.

679996149 is a deficient number, since it is larger than the sum of its proper divisors (410725131).

679996149 is a wasteful number, since it uses less digits than its factorization.

679996149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704280.

The product of its digits is 6613488, while the sum is 60.

The square root of 679996149 is about 26076.7357811518. The cubic root of 679996149 is about 879.3642744098.

The spelling of 679996149 in words is "six hundred seventy-nine million, nine hundred ninety-six thousand, one hundred forty-nine".