3490397 has 4 divisors (see below), whose sum is σ = 3498720. Its totient is φ = 3482076.

The previous prime is 3490393. The next prime is 3490427. The reversal of 3490397 is 7930943.

3490397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3490397 - 2² = 3490393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3497 + ... + 4382.

It is an arithmetic number, because the mean of its divisors is an integer number (874680).

Almost surely, 2^3490397 is an apocalyptic number.

It is an amenable number.

3490397 is a deficient number, since it is larger than the sum of its proper divisors (8323).

3490397 is an equidigital number, since it uses as much as digits as its factorization.

3490397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3490397 is about 1868.2604208193. The cubic root of 3490397 is about 151.6904625278.

The spelling of 3490397 in words is "three million, four hundred ninety thousand, three hundred ninety-seven".