3490393 has 2 divisors, whose sum is σ = 3490394. Its totient is φ = 3490392.

The previous prime is 3490387. The next prime is 3490427. The reversal of 3490393 is 3930943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2474329 + 1016064 = 1573^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 3490393 - 2⁹ = 3489881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3490303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745196 + 1745197.

It is an arithmetic number, because the mean of its divisors is an integer number (1745197).

Almost surely, 2^3490393 is an apocalyptic number.

It is an amenable number.

3490393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3490393 is an equidigital number, since it uses as much as digits as its factorization.

3490393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 3490393 is about 1868.2593503044. The cubic root of 3490393 is about 151.6904045819.

It can be divided in two parts, 3490 and 393, that added together give a palindrome (3883).

The spelling of 3490393 in words is "three million, four hundred ninety thousand, three hundred ninety-three".