3652217 has 4 divisors (see below), whose sum is σ = 3656436. Its totient is φ = 3648000.

The previous prime is 3652211. The next prime is 3652219. The reversal of 3652217 is 7122563.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1590121 + 2062096 = 1261^2 + 1436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3652217 - 2⁶ = 3652153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3652211) 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, 284 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (914109).

Almost surely, 2^3652217 is an apocalyptic number.

It is an amenable number.

3652217 is a deficient number, since it is larger than the sum of its proper divisors (4219).

3652217 is a wasteful number, since it uses less digits than its factorization.

3652217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218.

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

The square root of 3652217 is about 1911.0774447939. The cubic root of 3652217 is about 153.9993394023. Note that the first 3 decimals are identical.

The spelling of 3652217 in words is "three million, six hundred fifty-two thousand, two hundred seventeen".