3490213 has 4 divisors (see below), whose sum is σ = 3497580. Its totient is φ = 3482848.

The previous prime is 3490199. The next prime is 3490217. The reversal of 3490213 is 3120943.

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 1127844 + 2362369 = 1062^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 3490213 - 2¹³ = 3482021 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 (3490217) 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, 2920 + ... + 3937.

It is an arithmetic number, because the mean of its divisors is an integer number (874395).

Almost surely, 2^3490213 is an apocalyptic number.

It is an amenable number.

3490213 is a deficient number, since it is larger than the sum of its proper divisors (7367).

3490213 is an equidigital number, since it uses as much as digits as its factorization.

3490213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3490213 is about 1868.2111765001. The cubic root of 3490213 is about 151.6877969728.

The spelling of 3490213 in words is "three million, four hundred ninety thousand, two hundred thirteen".