3404045 has 4 divisors (see below), whose sum is σ = 4084860. Its totient is φ = 2723232.

The previous prime is 3404041. The next prime is 3404057. The reversal of 3404045 is 5404043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5404043 = 773 ⋅6991.

It can be written as a sum of positive squares in 2 ways, for example, as 1075369 + 2328676 = 1037^2 + 1526^2 .

It is a cyclic number.

It is not a de Polignac number, because 3404045 - 2² = 3404041 is a prime.

It is a super-3 number, since 3×3404045³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340400 + ... + 340409.

It is an arithmetic number, because the mean of its divisors is an integer number (1021215).

Almost surely, 2^3404045 is an apocalyptic number.

It is an amenable number.

3404045 is a deficient number, since it is larger than the sum of its proper divisors (680815).

3404045 is an equidigital number, since it uses as much as digits as its factorization.

3404045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680814.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3404045 is about 1845.0054200462. The cubic root of 3404045 is about 150.4290677982.

Subtracting from 3404045 its sum of digits (20), we obtain a square (3404025 = 1845²).

Adding to 3404045 its reverse (5404043), we get a palindrome (8808088).

The spelling of 3404045 in words is "three million, four hundred four thousand, forty-five".