3504145 has 8 divisors (see below), whose sum is σ = 4274280. Its totient is φ = 2757120.

The previous prime is 3504139. The next prime is 3504169. The reversal of 3504145 is 5414053.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 3448449 = 236^2 + 1857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3504145 - 2¹³ = 3495953 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5440 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (534285).

Almost surely, 2^3504145 is an apocalyptic number.

It is an amenable number.

3504145 is a deficient number, since it is larger than the sum of its proper divisors (770135).

3504145 is a wasteful number, since it uses less digits than its factorization.

3504145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11555.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3504145 is about 1871.9361634415. The cubic root of 3504145 is about 151.8893614310.

Adding to 3504145 its reverse (5414053), we get a palindrome (8918198).

The spelling of 3504145 in words is "three million, five hundred four thousand, one hundred forty-five".