3490705 has 8 divisors (see below), whose sum is σ = 4201704. Its totient is φ = 2784000.

The previous prime is 3490703. The next prime is 3490709. The reversal of 3490705 is 5070943.

It can be written as a sum of positive squares in 4 ways, for example, as 283024 + 3207681 = 532^2 + 1791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3490705 - 2¹ = 3490703 is a prime.

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 (3490703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (525213).

Almost surely, 2^3490705 is an apocalyptic number.

It is an amenable number.

3490705 is a deficient number, since it is larger than the sum of its proper divisors (710999).

3490705 is a wasteful number, since it uses less digits than its factorization.

3490705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3490705 is about 1868.3428486228. The cubic root of 3490705 is about 151.6949242254.

The spelling of 3490705 in words is "three million, four hundred ninety thousand, seven hundred five".