3509436 has 48 divisors (see below), whose sum is σ = 9596160. Its totient is φ = 977280.

The previous prime is 3509419. The next prime is 3509437. The reversal of 3509436 is 6349053.

It is a happy number.

3509436 is digitally balanced in base 5 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3509436² = 24632282076192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

3509436 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (199920).

Almost surely, 2^3509436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3509436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4798080).

3509436 is an abundant number, since it is smaller than the sum of its proper divisors (6086724).

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

3509436 is a wasteful number, since it uses less digits than its factorization.

3509436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3509436 is about 1873.3488730079. The cubic root of 3509436 is about 151.9657702238.

The spelling of 3509436 in words is "three million, five hundred nine thousand, four hundred thirty-six".