335561856 has 128 divisors (see below), whose sum is σ = 1051791360. Its totient is φ = 92759040.

The previous prime is 335561819. The next prime is 335561867. The reversal of 335561856 is 658165533.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×335561856² = 225203518404329472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81315 + ... + 85341.

It is an arithmetic number, because the mean of its divisors is an integer number (8217120).

Almost surely, 2^335561856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 335561856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525895680).

335561856 is an abundant number, since it is smaller than the sum of its proper divisors (716229504).

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

335561856 is a wasteful number, since it uses less digits than its factorization.

335561856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4070 counting only the distinct ones).

The product of its digits is 324000, while the sum is 42.

The square root of 335561856 is about 18318.3475237260. The cubic root of 335561856 is about 694.9030149504.

The spelling of 335561856 in words is "three hundred thirty-five million, five hundred sixty-one thousand, eight hundred fifty-six".