1972706 has 8 divisors (see below), whose sum is σ = 2972160. Its totient is φ = 981988.

The previous prime is 1972669. The next prime is 1972717. The reversal of 1972706 is 6072791.

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

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (371520).

2^1972706 is an apocalyptic number.

1972706 is a deficient number, since it is larger than the sum of its proper divisors (999454).

1972706 is a wasteful number, since it uses less digits than its factorization.

1972706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 1972706 is about 1404.5305265461. The cubic root of 1972706 is about 125.4163397501.

The spelling of 1972706 in words is "one million, nine hundred seventy-two thousand, seven hundred six".