3609438 has 24 divisors (see below), whose sum is σ = 8398152. Its totient is φ = 1031184.

The previous prime is 3609433. The next prime is 3609439. The reversal of 3609438 is 8349063.

It is a super-4 number, since 4×3609438⁴ (a number of 27 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3609399 and 3609408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609433) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5845 + ... + 6432.

It is an arithmetic number, because the mean of its divisors is an integer number (349923).

Almost surely, 2^3609438 is an apocalyptic number.

3609438 is an abundant number, since it is smaller than the sum of its proper divisors (4788714).

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

3609438 is a wasteful number, since it uses less digits than its factorization.

3609438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296 (or 12289 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3609438 is about 1899.8520995067. The cubic root of 3609438 is about 153.3957034653.

The spelling of 3609438 in words is "three million, six hundred nine thousand, four hundred thirty-eight".