3620798291 has 8 divisors (see below), whose sum is σ = 3959349168. Its totient is φ = 3283812000.

The previous prime is 3620798287. The next prime is 3620798323. The reversal of 3620798291 is 1928970263.

It is a happy number.

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 3620798291 - 2² = 3620798287 is a prime.

It is a super-2 number, since 2×3620798291² = 26220360528217041362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3620798221) 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, 386300 + ... + 395561.

It is an arithmetic number, because the mean of its divisors is an integer number (494918646).

Almost surely, 2^3620798291 is an apocalyptic number.

3620798291 is a deficient number, since it is larger than the sum of its proper divisors (338550877).

3620798291 is a wasteful number, since it uses less digits than its factorization.

3620798291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782293.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 3620798291 is about 60173.0694829506. The cubic root of 3620798291 is about 1535.5646670021.

The spelling of 3620798291 in words is "three billion, six hundred twenty million, seven hundred ninety-eight thousand, two hundred ninety-one".