3817220379 has 8 divisors (see below), whose sum is σ = 5816716800. Its totient is φ = 2181268776.

The previous prime is 3817220359. The next prime is 3817220389. The reversal of 3817220379 is 9730227183.

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

It is not a de Polignac number, because 3817220379 - 2⁹ = 3817219867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3817220379.

It is not an unprimeable number, because it can be changed into a prime (3817220359) 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, 90886179 + ... + 90886220.

It is an arithmetic number, because the mean of its divisors is an integer number (727089600).

Almost surely, 2^3817220379 is an apocalyptic number.

3817220379 is a deficient number, since it is larger than the sum of its proper divisors (1999496421).

3817220379 is a wasteful number, since it uses less digits than its factorization.

3817220379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181772409.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 3817220379 is about 61783.6578635484. The cubic root of 3817220379 is about 1562.8444131568.

The spelling of 3817220379 in words is "three billion, eight hundred seventeen million, two hundred twenty thousand, three hundred seventy-nine".