3642937 has 4 divisors (see below), whose sum is σ = 3648996. Its totient is φ = 3636880.

The previous prime is 3642931. The next prime is 3642941. The reversal of 3642937 is 7392463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 900601 = 1656^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642937 - 2¹⁵ = 3610169 is a prime.

It is a Duffinian number.

3642937 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3642931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014 + ... + 3367.

It is an arithmetic number, because the mean of its divisors is an integer number (912249).

Almost surely, 2^3642937 is an apocalyptic number.

It is an amenable number.

3642937 is a deficient number, since it is larger than the sum of its proper divisors (6059).

3642937 is an equidigital number, since it uses as much as digits as its factorization.

3642937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058.

The product of its digits is 27216, while the sum is 34.

The square root of 3642937 is about 1908.6479507756. The cubic root of 3642937 is about 153.8687953151.

The spelling of 3642937 in words is "three million, six hundred forty-two thousand, nine hundred thirty-seven".