1979162 has 4 divisors (see below), whose sum is σ = 2968746. Its totient is φ = 989580.

The previous prime is 1979149. The next prime is 1979171. The reversal of 1979162 is 2619791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2619791 = 269 ⋅9739.

It can be written as a sum of positive squares in only one way, i.e., 1666681 + 312481 = 1291^2 + 559^2 .

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 as a sum of consecutive naturals, namely, 494789 + ... + 494792.

2^1979162 is an apocalyptic number.

1979162 is a deficient number, since it is larger than the sum of its proper divisors (989584).

1979162 is an equidigital number, since it uses as much as digits as its factorization.

1979162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989583.

The product of its digits is 6804, while the sum is 35.

The square root of 1979162 is about 1406.8269261000. The cubic root of 1979162 is about 125.5530058682.

The spelling of 1979162 in words is "one million, nine hundred seventy-nine thousand, one hundred sixty-two".