3442404 has 48 divisors (see below), whose sum is σ = 9289728. Its totient is φ = 971808.

The previous prime is 3442379. The next prime is 3442409. The reversal of 3442404 is 4042443.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3442409) 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, 8797 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (193536).

Almost surely, 2^3442404 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 3442404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4644864).

3442404 is an abundant number, since it is smaller than the sum of its proper divisors (5847324).

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

3442404 is a wasteful number, since it uses less digits than its factorization.

3442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 3442404 is about 1855.3716608809. The cubic root of 3442404 is about 150.9920028512.

Adding to 3442404 its reverse (4042443), we get a palindrome (7484847).

The spelling of 3442404 in words is "three million, four hundred forty-two thousand, four hundred four".