3436945 has 4 divisors (see below), whose sum is σ = 4124340. Its totient is φ = 2749552.

The previous prime is 3436933. The next prime is 3436949. The reversal of 3436945 is 5496343.

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: 5496343 = 83 ⋅66221.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 2634129 = 896^2 + 1623^2 .

It is a cyclic number.

It is not a de Polignac number, because 3436945 - 2⁷ = 3436817 is a prime.

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

3436945 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3436945.

It is not an unprimeable number, because it can be changed into a prime (3436949) 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, 343690 + ... + 343699.

It is an arithmetic number, because the mean of its divisors is an integer number (1031085).

Almost surely, 2^3436945 is an apocalyptic number.

It is an amenable number.

3436945 is a deficient number, since it is larger than the sum of its proper divisors (687395).

3436945 is an equidigital number, since it uses as much as digits as its factorization.

3436945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687394.

The product of its digits is 38880, while the sum is 34.

The square root of 3436945 is about 1853.8999433626. The cubic root of 3436945 is about 150.9121457283.

The spelling of 3436945 in words is "three million, four hundred thirty-six thousand, nine hundred forty-five".