1972693 has 4 divisors (see below), whose sum is σ = 1978060. Its totient is φ = 1967328.

The previous prime is 1972669. The next prime is 1972717. The reversal of 1972693 is 3962791.

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

It is an interprime number because it is at equal distance from previous prime (1972669) and next prime (1972717).

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 1129969 = 918^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1972693 - 2¹⁷ = 1841621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972603) 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, 2088 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (494515).

2^1972693 is an apocalyptic number.

It is an amenable number.

1972693 is a deficient number, since it is larger than the sum of its proper divisors (5367).

1972693 is an equidigital number, since it uses as much as digits as its factorization.

1972693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366.

The product of its digits is 20412, while the sum is 37.

The square root of 1972693 is about 1404.5258986576. The cubic root of 1972693 is about 125.4160642544.

The spelling of 1972693 in words is "one million, nine hundred seventy-two thousand, six hundred ninety-three".