3406145 has 4 divisors (see below), whose sum is σ = 4087380. Its totient is φ = 2724912.

The previous prime is 3406099. The next prime is 3406147. The reversal of 3406145 is 5416043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1985281 + 1420864 = 1409^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 3406145 - 2⁸ = 3405889 is a prime.

It is a super-2 number, since 2×3406145² = 23203647522050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3406145.

It is not an unprimeable number, because it can be changed into a prime (3406147) 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, 340610 + ... + 340619.

It is an arithmetic number, because the mean of its divisors is an integer number (1021845).

Almost surely, 2^3406145 is an apocalyptic number.

It is an amenable number.

3406145 is a deficient number, since it is larger than the sum of its proper divisors (681235).

3406145 is an equidigital number, since it uses as much as digits as its factorization.

3406145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681234.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3406145 is about 1845.5744363206. The cubic root of 3406145 is about 150.4599953274.

The spelling of 3406145 in words is "three million, four hundred six thousand, one hundred forty-five".