1972293 has 4 divisors (see below), whose sum is σ = 2629728. Its totient is φ = 1314860.

The previous prime is 1972291. The next prime is 1972297. The reversal of 1972293 is 3922791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1972293 - 2¹ = 1972291 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972291) 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, 328713 + ... + 328718.

It is an arithmetic number, because the mean of its divisors is an integer number (657432).

2^1972293 is an apocalyptic number.

It is an amenable number.

1972293 is a deficient number, since it is larger than the sum of its proper divisors (657435).

1972293 is an equidigital number, since it uses as much as digits as its factorization.

1972293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657434.

The product of its digits is 6804, while the sum is 33.

The square root of 1972293 is about 1404.3834946339. The cubic root of 1972293 is about 125.4075868724.

The spelling of 1972293 in words is "one million, nine hundred seventy-two thousand, two hundred ninety-three".