3620873 has 8 divisors (see below), whose sum is σ = 3703848. Its totient is φ = 3538944.

The previous prime is 3620843. The next prime is 3620879. The reversal of 3620873 is 3780263.

It can be written as a sum of positive squares in 4 ways, for example, as 1227664 + 2393209 = 1108^2 + 1547^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3620873 is a prime.

It is a super-2 number, since 2×3620873² = 26221442564258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3620879) 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, 13961 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (462981).

Almost surely, 2^3620873 is an apocalyptic number.

It is an amenable number.

3620873 is a deficient number, since it is larger than the sum of its proper divisors (82975).

3620873 is a wasteful number, since it uses less digits than its factorization.

3620873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 3620873 is about 1902.8591645206. The cubic root of 3620873 is about 153.5575228182.

The spelling of 3620873 in words is "three million, six hundred twenty thousand, eight hundred seventy-three".