336278989 has 8 divisors (see below), whose sum is σ = 357189048. Its totient is φ = 315494400.

The previous prime is 336278959. The next prime is 336279019. The reversal of 336278989 is 989872633.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (336278959) and next prime (336279019).

It can be written as a sum of positive squares in 4 ways, for example, as 100902025 + 235376964 = 10045^2 + 15342^2 .

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 336278989 - 2⁹ = 336278477 is a prime.

It is a super-2 number, since 2×336278989² = 226167116885724242, 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 (336278959) 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, 25812 + ... + 36589.

It is an arithmetic number, because the mean of its divisors is an integer number (44648631).

Almost surely, 2^336278989 is an apocalyptic number.

It is an amenable number.

336278989 is a deficient number, since it is larger than the sum of its proper divisors (20910059).

336278989 is a wasteful number, since it uses less digits than its factorization.

336278989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62735.

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

The square root of 336278989 is about 18337.9112496489. The cubic root of 336278989 is about 695.3976910631.

The spelling of 336278989 in words is "three hundred thirty-six million, two hundred seventy-eight thousand, nine hundred eighty-nine".