336872989 has 4 divisors (see below), whose sum is σ = 337301824. Its totient is φ = 336444156.

The previous prime is 336872981. The next prime is 336873007. The reversal of 336872989 is 989278633.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 336872989 - 2³ = 336872981 is a prime.

It is a super-2 number, since 2×336872989² = 226966821435588242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336872981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213237 + ... + 214810.

It is an arithmetic number, because the mean of its divisors is an integer number (84325456).

Almost surely, 2^336872989 is an apocalyptic number.

It is an amenable number.

336872989 is a deficient number, since it is larger than the sum of its proper divisors (428835).

336872989 is an equidigital number, since it uses as much as digits as its factorization.

336872989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428834.

The product of its digits is 3919104, while the sum is 55.

The square root of 336872989 is about 18354.1000596597. The cubic root of 336872989 is about 695.8068981682.

The spelling of 336872989 in words is "three hundred thirty-six million, eight hundred seventy-two thousand, nine hundred eighty-nine".