3490306 has 4 divisors (see below), whose sum is σ = 5235462. Its totient is φ = 1745152.

The previous prime is 3490303. The next prime is 3490307. The reversal of 3490306 is 6030943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6030943 = 2089 ⋅2887.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 549081 = 1715^2 + 741^2 .

It is not an unprimeable number, because it can be changed into a prime (3490303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872575 + ... + 872578.

Almost surely, 2^3490306 is an apocalyptic number.

3490306 is a deficient number, since it is larger than the sum of its proper divisors (1745156).

3490306 is a wasteful number, since it uses less digits than its factorization.

3490306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745155.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3490306 is about 1868.2360664541. The cubic root of 3490306 is about 151.6891442487.

The spelling of 3490306 in words is "three million, four hundred ninety thousand, three hundred six".