3651894 has 24 divisors (see below), whose sum is σ = 8257392. Its totient is φ = 1164240.

The previous prime is 3651847. The next prime is 3651919. The reversal of 3651894 is 4981563.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3997 + ... + 4824.

It is an arithmetic number, because the mean of its divisors is an integer number (344058).

Almost surely, 2^3651894 is an apocalyptic number.

3651894 is an abundant number, since it is smaller than the sum of its proper divisors (4605498).

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

3651894 is a wasteful number, since it uses less digits than its factorization.

3651894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852 (or 8849 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3651894 is about 1910.9929356227. The cubic root of 3651894 is about 153.9947993971.

The spelling of 3651894 in words is "three million, six hundred fifty-one thousand, eight hundred ninety-four".