3648140 has 24 divisors (see below), whose sum is σ = 7826112. Its totient is φ = 1427840.

The previous prime is 3648137. The next prime is 3648167. The reversal of 3648140 is 418463.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (326088).

Almost surely, 2^3648140 is an apocalyptic number.

It is an amenable number.

3648140 is an abundant number, since it is smaller than the sum of its proper divisors (4177972).

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

3648140 is a wasteful number, since it uses less digits than its factorization.

3648140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3935 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3648140 is about 1910.0104711755. The cubic root of 3648140 is about 153.9420144882.

The spelling of 3648140 in words is "three million, six hundred forty-eight thousand, one hundred forty".