3641187 has 8 divisors (see below), whose sum is σ = 5296320. Its totient is φ = 2206760.

The previous prime is 3641171. The next prime is 3641191. The reversal of 3641187 is 7811463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3641187 - 2⁴ = 3641171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3641147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55137 + ... + 55202.

It is an arithmetic number, because the mean of its divisors is an integer number (662040).

Almost surely, 2^3641187 is an apocalyptic number.

3641187 is a deficient number, since it is larger than the sum of its proper divisors (1655133).

3641187 is a wasteful number, since it uses less digits than its factorization.

3641187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110353.

The product of its digits is 4032, while the sum is 30.

The square root of 3641187 is about 1908.1894560027. The cubic root of 3641187 is about 153.8441527881.

It can be divided in two parts, 3641 and 187, that added together give a triangular number (3828 = T₈₇).

The spelling of 3641187 in words is "three million, six hundred forty-one thousand, one hundred eighty-seven".