3504445 has 16 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 2386944.

The previous prime is 3504443. The next prime is 3504451. The reversal of 3504445 is 5444053.

It is not a de Polignac number, because 3504445 - 2¹ = 3504443 is a prime.

It is a super-2 number, since 2×3504445² = 24562269516050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504443) 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, 7581 + ... + 8029.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^3504445 is an apocalyptic number.

3504445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3504445 is a deficient number, since it is larger than the sum of its proper divisors (1333955).

3504445 is a wasteful number, since it uses less digits than its factorization.

3504445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 3504445 is about 1872.0162926641. The cubic root of 3504445 is about 151.8936958700.

Adding to 3504445 its reverse (5444053), we get a palindrome (8948498).

The spelling of 3504445 in words is "three million, five hundred four thousand, four hundred forty-five".