3474145 has 4 divisors (see below), whose sum is σ = 4168980. Its totient is φ = 2779312.

The previous prime is 3474109. The next prime is 3474161. The reversal of 3474145 is 5414743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5414743 = 647 ⋅8369.

It can be written as a sum of positive squares in 2 ways, for example, as 2505889 + 968256 = 1583^2 + 984^2 .

It is a cyclic number.

It is not a de Polignac number, because 3474145 - 2¹³ = 3465953 is a prime.

It is an alternating number because its digits alternate between odd and even.

3474145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347410 + ... + 347419.

It is an arithmetic number, because the mean of its divisors is an integer number (1042245).

Almost surely, 2^3474145 is an apocalyptic number.

It is an amenable number.

3474145 is a deficient number, since it is larger than the sum of its proper divisors (694835).

3474145 is an equidigital number, since it uses as much as digits as its factorization.

3474145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694834.

The product of its digits is 6720, while the sum is 28.

The square root of 3474145 is about 1863.9058452615. The cubic root of 3474145 is about 151.4546622642.

Adding to 3474145 its reverse (5414743), we get a palindrome (8888888).

The spelling of 3474145 in words is "three million, four hundred seventy-four thousand, one hundred forty-five".