1979795 has 4 divisors (see below), whose sum is σ = 2375760. Its totient is φ = 1583832.

The previous prime is 1979779. The next prime is 1979807. The reversal of 1979795 is 5979791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5979791 = 1709 ⋅3499.

It is a cyclic number.

It is not a de Polignac number, because 1979795 - 2⁴ = 1979779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197975 + ... + 197984.

It is an arithmetic number, because the mean of its divisors is an integer number (593940).

2^1979795 is an apocalyptic number.

1979795 is a deficient number, since it is larger than the sum of its proper divisors (395965).

1979795 is an equidigital number, since it uses as much as digits as its factorization.

1979795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395964.

The product of its digits is 178605, while the sum is 47.

The square root of 1979795 is about 1407.0518824834. The cubic root of 1979795 is about 125.5663897451.

The spelling of 1979795 in words is "one million, nine hundred seventy-nine thousand, seven hundred ninety-five".