336669978 has 16 divisors (see below), whose sum is σ = 674879040. Its totient is φ = 111966816.

The previous prime is 336669973. The next prime is 336670027. The reversal of 336669978 is 879966633.

It is a super-2 number, since 2×336669978² = 226693348173040968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (336669973) 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 7 ways as a sum of consecutive naturals, for example, 61275 + ... + 66542.

It is an arithmetic number, because the mean of its divisors is an integer number (42179940).

Almost surely, 2^336669978 is an apocalyptic number.

336669978 is an abundant number, since it is smaller than the sum of its proper divisors (338209062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

336669978 is a wasteful number, since it uses less digits than its factorization.

336669978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128261.

The product of its digits is 8817984, while the sum is 57.

The square root of 336669978 is about 18348.5688270230. The cubic root of 336669978 is about 695.6670978640.

The spelling of 336669978 in words is "three hundred thirty-six million, six hundred sixty-nine thousand, nine hundred seventy-eight".