3632240 has 20 divisors (see below), whose sum is σ = 8445144. Its totient is φ = 1452864.

The previous prime is 3632201. The next prime is 3632243. The reversal of 3632240 is 422363.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3632243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22622 + ... + 22781.

Almost surely, 2^3632240 is an apocalyptic number.

It is an amenable number.

3632240 is an abundant number, since it is smaller than the sum of its proper divisors (4812904).

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

3632240 is a wasteful number, since it uses less digits than its factorization.

3632240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45416 (or 45410 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3632240 is about 1905.8436452133. The cubic root of 3632240 is about 153.7180425792.

The spelling of 3632240 in words is "three million, six hundred thirty-two thousand, two hundred forty".