3157443 has 12 divisors (see below), whose sum is σ = 4708288. Its totient is φ = 2036880.

The previous prime is 3157411. The next prime is 3157471. The reversal of 3157443 is 3447513.

It is not a de Polignac number, because 3157443 - 2⁵ = 3157411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3157243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5380 + ... + 5937.

Almost surely, 2^3157443 is an apocalyptic number.

3157443 is a deficient number, since it is larger than the sum of its proper divisors (1550845).

3157443 is a wasteful number, since it uses less digits than its factorization.

3157443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354 (or 11351 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 3157443 is about 1776.9195254710. The cubic root of 3157443 is about 146.7050869273.

It can be divided in two parts, 3157 and 443, that added together give a square (3600 = 60²).

The spelling of 3157443 in words is "three million, one hundred fifty-seven thousand, four hundred forty-three".