1979065 has 8 divisors (see below), whose sum is σ = 2590848. Its totient is φ = 1439280.

The previous prime is 1979063. The next prime is 1979069. The reversal of 1979065 is 5609791.

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

It is not a de Polignac number, because 1979065 - 2¹ = 1979063 is a prime.

It is a Duffinian number.

1979065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1979063) 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, 17937 + ... + 18046.

It is an arithmetic number, because the mean of its divisors is an integer number (323856).

2^1979065 is an apocalyptic number.

It is an amenable number.

1979065 is a deficient number, since it is larger than the sum of its proper divisors (611783).

1979065 is a wasteful number, since it uses less digits than its factorization.

1979065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35999.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 1979065 is about 1406.7924509323. The cubic root of 1979065 is about 125.5509546903.

The spelling of 1979065 in words is "one million, nine hundred seventy-nine thousand, sixty-five".