3490369 has 4 divisors (see below), whose sum is σ = 3496644. Its totient is φ = 3484096.

The previous prime is 3490367. The next prime is 3490379. The reversal of 3490369 is 9630943.

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 207025 + 3283344 = 455^2 + 1812^2 .

It is a cyclic number.

It is not a de Polignac number, because 3490369 - 2¹ = 3490367 is a prime.

It is a super-2 number, since 2×3490369² = 24365351512322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3490363) 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, 2212 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (874161).

Almost surely, 2^3490369 is an apocalyptic number.

It is an amenable number.

3490369 is a deficient number, since it is larger than the sum of its proper divisors (6275).

3490369 is an equidigital number, since it uses as much as digits as its factorization.

3490369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3490369 is about 1868.2529272023. The cubic root of 3490369 is about 151.6900569059.

The spelling of 3490369 in words is "three million, four hundred ninety thousand, three hundred sixty-nine".