3918343 has 24 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 3157440.

The previous prime is 3918323. The next prime is 3918353. The reversal of 3918343 is 3438193.

It is not a de Polignac number, because 3918343 - 2⁵ = 3918311 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 (3918323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73905 + ... + 73957.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^3918343 is an apocalyptic number.

3918343 is a deficient number, since it is larger than the sum of its proper divisors (907961).

3918343 is a wasteful number, since it uses less digits than its factorization.

3918343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 124 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 3918343 is about 1979.4804874007. The cubic root of 3918343 is about 157.6524835508.

The spelling of 3918343 in words is "three million, nine hundred eighteen thousand, three hundred forty-three".