3652271 has 4 divisors (see below), whose sum is σ = 4174032. Its totient is φ = 3130512.

The previous prime is 3652223. The next prime is 3652279. The reversal of 3652271 is 1722563.

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

It is a de Polignac number, because none of the positive numbers 2^k-3652271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3652271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260870 + ... + 260883.

It is an arithmetic number, because the mean of its divisors is an integer number (1043508).

Almost surely, 2^3652271 is an apocalyptic number.

3652271 is a deficient number, since it is larger than the sum of its proper divisors (521761).

3652271 is an equidigital number, since it uses as much as digits as its factorization.

3652271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521760.

The product of its digits is 2520, while the sum is 26.

The square root of 3652271 is about 1911.0915728975. The cubic root of 3652271 is about 154.0000983864. Note that the first 4 decimals are identical.

The spelling of 3652271 in words is "three million, six hundred fifty-two thousand, two hundred seventy-one".