1976979 has 8 divisors (see below), whose sum is σ = 2700432. Its totient is φ = 1285760.

The previous prime is 1976941. The next prime is 1976983. The reversal of 1976979 is 9796791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1976979 - 2⁷ = 1976851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1976929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7914 + ... + 8159.

It is an arithmetic number, because the mean of its divisors is an integer number (337554).

2^1976979 is an apocalyptic number.

1976979 is a deficient number, since it is larger than the sum of its proper divisors (723453).

1976979 is a wasteful number, since it uses less digits than its factorization.

1976979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117.

The product of its digits is 214326, while the sum is 48.

The square root of 1976979 is about 1406.0508525654. The cubic root of 1976979 is about 125.5068275625.

The spelling of 1976979 in words is "one million, nine hundred seventy-six thousand, nine hundred seventy-nine".