3457842 has 16 divisors (see below), whose sum is σ = 7013952. Its totient is φ = 1136240.

The previous prime is 3457841. The next prime is 3457849. The reversal of 3457842 is 2487543.

It is not an unprimeable number, because it can be changed into a prime (3457841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (438372).

Almost surely, 2^3457842 is an apocalyptic number.

3457842 is an abundant number, since it is smaller than the sum of its proper divisors (3556110).

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

3457842 is a wasteful number, since it uses less digits than its factorization.

3457842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193.

The product of its digits is 26880, while the sum is 33.

The square root of 3457842 is about 1859.5273593040. The cubic root of 3457842 is about 151.2173820335.

Subtracting from 3457842 its reverse (2487543), we obtain a cube (970299 = 99³).

The spelling of 3457842 in words is "three million, four hundred fifty-seven thousand, eight hundred forty-two".