3499240 has 16 divisors (see below), whose sum is σ = 7873380. Its totient is φ = 1399680.

The previous prime is 3499217. The next prime is 3499247. The reversal of 3499240 is 429943.

3499240 = T₁₇₉ + T₁₈₀ + ... + T₂₉₈.

3499240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3392964 + 106276 = 1842^2 + 326^2 .

It is not an unprimeable number, because it can be changed into a prime (3499247) 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, 43701 + ... + 43780.

Almost surely, 2^3499240 is an apocalyptic number.

It is an amenable number.

3499240 is an abundant number, since it is smaller than the sum of its proper divisors (4374140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3499240 is a wasteful number, since it uses less digits than its factorization.

3499240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87492 (or 87488 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3499240 is about 1870.6255638155. The cubic root of 3499240 is about 151.8184582382.

The spelling of 3499240 in words is "three million, four hundred ninety-nine thousand, two hundred forty".