1979146 has 16 divisors (see below), whose sum is σ = 3223584. Its totient is φ = 905904.

The previous prime is 1979143. The next prime is 1979147. The reversal of 1979146 is 6419791.

It is not an unprimeable number, because it can be changed into a prime (1979141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (201474).

2^1979146 is an apocalyptic number.

1979146 is a deficient number, since it is larger than the sum of its proper divisors (1244438).

1979146 is a wasteful number, since it uses less digits than its factorization.

1979146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 13608, while the sum is 37.

The square root of 1979146 is about 1406.8212395326. The cubic root of 1979146 is about 125.5526675342.

The spelling of 1979146 in words is "one million, nine hundred seventy-nine thousand, one hundred forty-six".