1979794 has 16 divisors (see below), whose sum is σ = 3128832. Its totient is φ = 937728.

The previous prime is 1979779. The next prime is 1979807. The reversal of 1979794 is 4979791.

It is a Harshad number since it is a multiple of its sum of digits (46).

Its product of digits (142884) is a multiple of the sum of its prime divisors (441).

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 7 ways as a sum of consecutive naturals, for example, 8767 + ... + 8989.

It is an arithmetic number, because the mean of its divisors is an integer number (195552).

2^1979794 is an apocalyptic number.

1979794 is a deficient number, since it is larger than the sum of its proper divisors (1149038).

1979794 is a wasteful number, since it uses less digits than its factorization.

1979794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 142884, while the sum is 46.

The square root of 1979794 is about 1407.0515271304. The cubic root of 1979794 is about 125.5663686037.

It can be divided in two parts, 19797 and 94, that added together give a palindrome (19891).

The spelling of 1979794 in words is "one million, nine hundred seventy-nine thousand, seven hundred ninety-four".