2957943 has 4 divisors (see below), whose sum is σ = 3943928. Its totient is φ = 1971960.

The previous prime is 2957917. The next prime is 2957947. The reversal of 2957943 is 3497592.

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

It is not a de Polignac number, because 2957943 - 2⁶ = 2957879 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 9⁵ + 5⁹ + 7⁷ + 9⁵ + 4⁶ + 3¹⁰ .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2957947) 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, 492988 + ... + 492993.

It is an arithmetic number, because the mean of its divisors is an integer number (985982).

2^2957943 is an apocalyptic number.

2957943 is a deficient number, since it is larger than the sum of its proper divisors (985985).

2957943 is an equidigital number, since it uses as much as digits as its factorization.

2957943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985984.

The product of its digits is 68040, while the sum is 39.

The square root of 2957943 is about 1719.8671460319. The cubic root of 2957943 is about 143.5478196159.

The spelling of 2957943 in words is "two million, nine hundred fifty-seven thousand, nine hundred forty-three".