3509428 has 12 divisors (see below), whose sum is σ = 6614020. Its totient is φ = 1619712.

The previous prime is 3509419. The next prime is 3509437. The reversal of 3509428 is 8249053.

3509428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3509419) and next prime (3509437).

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 3305124 = 452^2 + 1818^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3509428.

It is a congruent number.

It is an unprimeable number.

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, 33693 + ... + 33796.

Almost surely, 2^3509428 is an apocalyptic number.

It is an amenable number.

3509428 is a deficient number, since it is larger than the sum of its proper divisors (3104592).

3509428 is a wasteful number, since it uses less digits than its factorization.

3509428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67506 (or 67504 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3509428 is about 1873.3467377931. The cubic root of 3509428 is about 151.9656547516.

The spelling of 3509428 in words is "three million, five hundred nine thousand, four hundred twenty-eight".