872370389 has 8 divisors (see below), whose sum is σ = 1001765280. Its totient is φ = 751323600.

The previous prime is 872370383. The next prime is 872370391. The reversal of 872370389 is 983073278.

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 872370389 - 2⁸ = 872370133 is a prime.

It is a super-2 number, since 2×872370389² = 1522060191208022642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872370383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086802 + ... + 2087219.

It is an arithmetic number, because the mean of its divisors is an integer number (125220660).

Almost surely, 2^872370389 is an apocalyptic number.

It is an amenable number.

872370389 is a deficient number, since it is larger than the sum of its proper divisors (129394891).

872370389 is a wasteful number, since it uses less digits than its factorization.

872370389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174051.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 872370389 is about 29535.9169317629. The cubic root of 872370389 is about 955.5064842602.

The spelling of 872370389 in words is "eight hundred seventy-two million, three hundred seventy thousand, three hundred eighty-nine".