3609450 has 72 divisors (see below), whose sum is σ = 10460268. Its totient is φ = 887040.

The previous prime is 3609439. The next prime is 3609451. The reversal of 3609450 is 549063.

It is a happy number.

3609450 is a `hidden beast` number, since 3 + 609 + 4 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 71289 + 3538161 = 267^2 + 1881^2 .

It is not an unprimeable number, because it can be changed into a prime (3609451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5542 + ... + 6158.

Almost surely, 2^3609450 is an apocalyptic number.

3609450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230134).

3609450 is an abundant number, since it is smaller than the sum of its proper divisors (6850818).

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

3609450 is a wasteful number, since it uses less digits than its factorization.

3609450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 640 counting only the distinct ones).

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

The square root of 3609450 is about 1899.8552576446. The cubic root of 3609450 is about 153.3958734591.

The spelling of 3609450 in words is "three million, six hundred nine thousand, four hundred fifty".