3643146 has 24 divisors (see below), whose sum is σ = 8501220. Its totient is φ = 1120896.

The previous prime is 3643141. The next prime is 3643147. The reversal of 3643146 is 6413463.

3643146 is a `hidden beast` number, since 3 + 643 + 14 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3404025 + 239121 = 1845^2 + 489^2 .

It is not an unprimeable number, because it can be changed into a prime (3643141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7551 + ... + 8018.

Almost surely, 2^3643146 is an apocalyptic number.

3643146 is an abundant number, since it is smaller than the sum of its proper divisors (4858074).

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

3643146 is a wasteful number, since it uses less digits than its factorization.

3643146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15590 (or 15587 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3643146 is about 1908.7027007892. The cubic root of 3643146 is about 153.8717378094.

The spelling of 3643146 in words is "three million, six hundred forty-three thousand, one hundred forty-six".