334479978 has 72 divisors (see below), whose sum is σ = 852698340. Its totient is φ = 94469760.

The previous prime is 334479931. The next prime is 334479991. The reversal of 334479978 is 879974433.

It can be written as a sum of positive squares in 2 ways, for example, as 328443129 + 6036849 = 18123^2 + 2457^2 .

It is a super-2 number, since 2×334479978² = 223753711365760968, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76368 + ... + 80628.

Almost surely, 2^334479978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 334479978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426349170).

334479978 is an abundant number, since it is smaller than the sum of its proper divisors (518218362).

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

334479978 is a wasteful number, since it uses less digits than its factorization.

334479978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372 (or 4362 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 334479978 is about 18288.7937819857. The cubic root of 334479978 is about 694.1554034689.

The spelling of 334479978 in words is "three hundred thirty-four million, four hundred seventy-nine thousand, nine hundred seventy-eight".