3957490343 has 4 divisors (see below), whose sum is σ = 3974049120. Its totient is φ = 3940931568.

The previous prime is 3957490319. The next prime is 3957490357. The reversal of 3957490343 is 3430947593.

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

It is a cyclic number.

It is not a de Polignac number, because 3957490343 - 2⁶ = 3957490279 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 (3957490393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8279030 + ... + 8279507.

It is an arithmetic number, because the mean of its divisors is an integer number (993512280).

Almost surely, 2^3957490343 is an apocalyptic number.

3957490343 is a deficient number, since it is larger than the sum of its proper divisors (16558777).

3957490343 is a wasteful number, since it uses less digits than its factorization.

3957490343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16558776.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The square root of 3957490343 is about 62908.5871960259. The cubic root of 3957490343 is about 1581.7576902017.

The spelling of 3957490343 in words is "three billion, nine hundred fifty-seven million, four hundred ninety thousand, three hundred forty-three".