1979607 has 16 divisors (see below), whose sum is σ = 3048192. Its totient is φ = 1119360.

The previous prime is 1979581. The next prime is 1979609. The reversal of 1979607 is 7069791.

It is not a de Polignac number, because 1979607 - 2⁶ = 1979543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807 + ... + 2687.

It is an arithmetic number, because the mean of its divisors is an integer number (190512).

2^1979607 is an apocalyptic number.

1979607 is a deficient number, since it is larger than the sum of its proper divisors (1068585).

1979607 is a wasteful number, since it uses less digits than its factorization.

1979607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 1979607 is about 1406.9850745477. The cubic root of 1979607 is about 125.5624150526.

The spelling of 1979607 in words is "one million, nine hundred seventy-nine thousand, six hundred seven".