3490845 has 16 divisors (see below), whose sum is σ = 5692032. Its totient is φ = 1826240.

The previous prime is 3490843. The next prime is 3490859. The reversal of 3490845 is 5480943.

It is not a de Polignac number, because 3490845 - 2¹ = 3490843 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490841) 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, 1401 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (355752).

Almost surely, 2^3490845 is an apocalyptic number.

It is an amenable number.

3490845 is a deficient number, since it is larger than the sum of its proper divisors (2201187).

3490845 is a wasteful number, since it uses less digits than its factorization.

3490845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3490845 is about 1868.3803146041. The cubic root of 3490845 is about 151.6969521831.

The spelling of 3490845 in words is "three million, four hundred ninety thousand, eight hundred forty-five".