963818856 has 384 divisors, whose sum is σ = 3597834240. Its totient is φ = 224985600.

The previous prime is 963818851. The next prime is 963818873. The reversal of 963818856 is 658818369.

It is a super-2 number, since 2×963818856² = 1857893574362297472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (963818851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3098941 + ... + 3099251.

It is an arithmetic number, because the mean of its divisors is an integer number (9369360).

Almost surely, 2^963818856 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 963818856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798917120).

963818856 is an abundant number, since it is smaller than the sum of its proper divisors (2634015384).

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

963818856 is a wasteful number, since it uses less digits than its factorization.

963818856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 390 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 963818856 is about 31045.4321277704. The cubic root of 963818856 is about 987.7911697280.

The spelling of 963818856 in words is "nine hundred sixty-three million, eight hundred eighteen thousand, eight hundred fifty-six".