1979608 has 8 divisors (see below), whose sum is σ = 3711780. Its totient is φ = 989800.

The previous prime is 1979581. The next prime is 1979609. The reversal of 1979608 is 8069791.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 7.

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123718 + ... + 123733.

2^1979608 is an apocalyptic number.

It is an amenable number.

1979608 is a deficient number, since it is larger than the sum of its proper divisors (1732172).

1979608 is a wasteful number, since it uses less digits than its factorization.

1979608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247457 (or 247453 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1979608 is about 1406.9854299175. The cubic root of 1979608 is about 125.5624361953.

The spelling of 1979608 in words is "one million, nine hundred seventy-nine thousand, six hundred eight".