3111402 has 48 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 840672.

The previous prime is 3111397. The next prime is 3111403. The reversal of 3111402 is 2041113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3111403) 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, 5308 + ... + 5864.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

Almost surely, 2^3111402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816720).

3111402 is an abundant number, since it is smaller than the sum of its proper divisors (4522038).

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

3111402 is a wasteful number, since it uses less digits than its factorization.

3111402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3111402 is about 1763.9166646982. The cubic root of 3111402 is about 145.9885210216.

Adding to 3111402 its reverse (2041113), we get a palindrome (5152515).

The spelling of 3111402 in words is "three million, one hundred eleven thousand, four hundred two".