3509622 has 32 divisors (see below), whose sum is σ = 7887360. Its totient is φ = 1156680.

The previous prime is 3509591. The next prime is 3509659. The reversal of 3509622 is 2269053.

3509622 is a `hidden beast` number, since 35 + 0 + 9 + 622 = 666.

It is a super-3 number, since 3×3509622³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (246480).

Almost surely, 2^3509622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3509622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3943680).

3509622 is an abundant number, since it is smaller than the sum of its proper divisors (4377738).

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

3509622 is a wasteful number, since it uses less digits than its factorization.

3509622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3509622 is about 1873.3985160665. The cubic root of 3509622 is about 151.9684549035.

The spelling of 3509622 in words is "three million, five hundred nine thousand, six hundred twenty-two".