3621245 has 8 divisors (see below), whose sum is σ = 4446816. Its totient is φ = 2829456.

The previous prime is 3621239. The next prime is 3621251. The reversal of 3621245 is 5421263.

It is an interprime number because it is at equal distance from previous prime (3621239) and next prime (3621251).

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 3621245 - 2⁶ = 3621181 is a prime.

It is a super-2 number, since 2×3621245² = 26226830700050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 6² + 2⁵ + 1 + 2¹³ + 4⁸ + 5⁹ .

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 3621245.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8207 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (555852).

Almost surely, 2^3621245 is an apocalyptic number.

It is an amenable number.

3621245 is a deficient number, since it is larger than the sum of its proper divisors (825571).

3621245 is a wasteful number, since it uses less digits than its factorization.

3621245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891.

The product of its digits is 1440, while the sum is 23.

The square root of 3621245 is about 1902.9569096540. The cubic root of 3621245 is about 153.5627813514.

The spelling of 3621245 in words is "three million, six hundred twenty-one thousand, two hundred forty-five".