3042340 has 48 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 1008000.

The previous prime is 3042329. The next prime is 3042349. The reversal of 3042340 is 432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3990 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

Almost surely, 2^3042340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3042340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773952).

3042340 is an abundant number, since it is smaller than the sum of its proper divisors (4505564).

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

3042340 is a wasteful number, since it uses less digits than its factorization.

3042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3042340 is about 1744.2304893563. The cubic root of 3042340 is about 144.9002881653.

Adding to 3042340 its reverse (432403), we get a palindrome (3474743).

The spelling of 3042340 in words is "three million, forty-two thousand, three hundred forty".