1679247456 has 24 divisors (see below), whose sum is σ = 4408024824. Its totient is φ = 559749120.

The previous prime is 1679247431. The next prime is 1679247469. The reversal of 1679247456 is 6547429761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1679247399 and 1679247408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8745985 + ... + 8746176.

It is an arithmetic number, because the mean of its divisors is an integer number (183667701).

Almost surely, 2^1679247456 is an apocalyptic number.

1679247456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1679247456 is an abundant number, since it is smaller than the sum of its proper divisors (2728777368).

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

1679247456 is a wasteful number, since it uses less digits than its factorization.

1679247456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17492174 (or 17492166 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 1679247456 is about 40978.6219387622. The cubic root of 1679247456 is about 1188.6068615502.

The spelling of 1679247456 in words is "one billion, six hundred seventy-nine million, two hundred forty-seven thousand, four hundred fifty-six".