3509814 has 64 divisors (see below), whose sum is σ = 8957952. Its totient is φ = 890400.

The previous prime is 3509801. The next prime is 3509827. The reversal of 3509814 is 4189053.

It is an interprime number because it is at equal distance from previous prime (3509801) and next prime (3509827).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32749 + ... + 32855.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

Almost surely, 2^3509814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3509814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4478976).

3509814 is an abundant number, since it is smaller than the sum of its proper divisors (5448138).

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

3509814 is a wasteful number, since it uses less digits than its factorization.

3509814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3509814 is about 1873.4497591342. The cubic root of 3509814 is about 151.9712260862.

The spelling of 3509814 in words is "three million, five hundred nine thousand, eight hundred fourteen".