3403240 has 16 divisors (see below), whose sum is σ = 7657380. Its totient is φ = 1361280.

The previous prime is 3403229. The next prime is 3403259. The reversal of 3403240 is 423043.

It can be written as a sum of positive squares in 2 ways, for example, as 3189796 + 213444 = 1786^2 + 462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42501 + ... + 42580.

Almost surely, 2^3403240 is an apocalyptic number.

It is an amenable number.

3403240 is an abundant number, since it is smaller than the sum of its proper divisors (4254140).

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

3403240 is a wasteful number, since it uses less digits than its factorization.

3403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85092 (or 85088 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3403240 is about 1844.7872506064. The cubic root of 3403240 is about 150.4172088729.

Adding to 3403240 its reverse (423043), we get a palindrome (3826283).

The spelling of 3403240 in words is "three million, four hundred three thousand, two hundred forty".