3620217 has 8 divisors (see below), whose sum is σ = 4871680. Its totient is φ = 2391120.

The previous prime is 3620209. The next prime is 3620231. The reversal of 3620217 is 7120263.

It is a happy number.

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

It is not a de Polignac number, because 3620217 - 2³ = 3620209 is a prime.

It is a super-2 number, since 2×3620217² = 26211942254178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3620193 and 3620202.

It is not an unprimeable number, because it can be changed into a prime (3620207) 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, 5209 + ... + 5862.

It is an arithmetic number, because the mean of its divisors is an integer number (608960).

Almost surely, 2^3620217 is an apocalyptic number.

It is an amenable number.

3620217 is a deficient number, since it is larger than the sum of its proper divisors (1251463).

3620217 is a wasteful number, since it uses less digits than its factorization.

3620217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11183.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3620217 is about 1902.6867845234. The cubic root of 3620217 is about 153.5482488283.

The spelling of 3620217 in words is "three million, six hundred twenty thousand, two hundred seventeen".