1972959 has 4 divisors (see below), whose sum is σ = 2630616. Its totient is φ = 1315304.

The previous prime is 1972939. The next prime is 1972967. The reversal of 1972959 is 9592791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1972959 - 2²⁰ = 924383 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1972959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328824 + ... + 328829.

It is an arithmetic number, because the mean of its divisors is an integer number (657654).

2^1972959 is an apocalyptic number.

1972959 is a deficient number, since it is larger than the sum of its proper divisors (657657).

1972959 is an equidigital number, since it uses as much as digits as its factorization.

1972959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657656.

The product of its digits is 51030, while the sum is 42.

The square root of 1972959 is about 1404.6205893408. The cubic root of 1972959 is about 125.4217010791.

The spelling of 1972959 in words is "one million, nine hundred seventy-two thousand, nine hundred fifty-nine".