3404742 has 32 divisors (see below), whose sum is σ = 7534080. Its totient is φ = 1017120.

The previous prime is 3404741. The next prime is 3404747. The reversal of 3404742 is 2474043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404741) 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, 4888 + ... + 5540.

It is an arithmetic number, because the mean of its divisors is an integer number (235440).

Almost surely, 2^3404742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3404742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3767040).

3404742 is an abundant number, since it is smaller than the sum of its proper divisors (4129338).

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

3404742 is a wasteful number, since it uses less digits than its factorization.

3404742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 3404742 is about 1845.1942987122. The cubic root of 3404742 is about 150.4393342023.

Adding to 3404742 its reverse (2474043), we get a palindrome (5878785).

The spelling of 3404742 in words is "three million, four hundred four thousand, seven hundred forty-two".