3642771 has 16 divisors (see below), whose sum is σ = 5338368. Its totient is φ = 2191200.

The previous prime is 3642739. The next prime is 3642791. The reversal of 3642771 is 1772463.

It is not a de Polignac number, because 3642771 - 2⁵ = 3642739 is a prime.

3642771 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3642701) 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 15 ways as a sum of consecutive naturals, for example, 5181 + ... + 5841.

It is an arithmetic number, because the mean of its divisors is an integer number (333648).

Almost surely, 2^3642771 is an apocalyptic number.

3642771 is a deficient number, since it is larger than the sum of its proper divisors (1695597).

3642771 is a wasteful number, since it uses less digits than its factorization.

3642771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its digits is 7056, while the sum is 30.

The square root of 3642771 is about 1908.6044639998. The cubic root of 3642771 is about 153.8664581343.

The spelling of 3642771 in words is "three million, six hundred forty-two thousand, seven hundred seventy-one".