3157434 has 32 divisors (see below), whose sum is σ = 8019840. Its totient is φ = 902016.

The previous prime is 3157411. The next prime is 3157471. The reversal of 3157434 is 4347513.

3157434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3157398 and 3157407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3799 + ... + 4554.

It is an arithmetic number, because the mean of its divisors is an integer number (250620).

Almost surely, 2^3157434 is an apocalyptic number.

3157434 is an abundant number, since it is smaller than the sum of its proper divisors (4862406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157434 is a wasteful number, since it uses less digits than its factorization.

3157434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371 (or 8365 counting only the distinct ones).

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

The square root of 3157434 is about 1776.9169929966. The cubic root of 3157434 is about 146.7049475374.

The spelling of 3157434 in words is "three million, one hundred fifty-seven thousand, four hundred thirty-four".