3835640 has 16 divisors (see below), whose sum is σ = 8630280. Its totient is φ = 1534240.

The previous prime is 3835631. The next prime is 3835651. The reversal of 3835640 is 465383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47906 + ... + 47985.

Almost surely, 2^3835640 is an apocalyptic number.

It is an amenable number.

3835640 is an abundant number, since it is smaller than the sum of its proper divisors (4794640).

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

3835640 is a wasteful number, since it uses less digits than its factorization.

3835640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95902 (or 95898 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3835640 is about 1958.4790016745. The cubic root of 3835640 is about 156.5354164555.

The spelling of 3835640 in words is "three million, eight hundred thirty-five thousand, six hundred forty".