1972957 has 8 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 1632624.

The previous prime is 1972939. The next prime is 1972967. The reversal of 1972957 is 7592791.

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

It is not a de Polignac number, because 1972957 - 2⁷ = 1972829 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 (1972967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4657 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

2^1972957 is an apocalyptic number.

It is an amenable number.

1972957 is a deficient number, since it is larger than the sum of its proper divisors (359843).

1972957 is an equidigital number, since it uses as much as digits as its factorization.

1972957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9755.

The product of its digits is 39690, while the sum is 40.

The square root of 1972957 is about 1404.6198774046. The cubic root of 1972957 is about 125.4216586989.

The spelling of 1972957 in words is "one million, nine hundred seventy-two thousand, nine hundred fifty-seven".