200697856 has 72 divisors (see below), whose sum is σ = 418599090. Its totient is φ = 96165888.

The previous prime is 200697853. The next prime is 200697863. The reversal of 200697856 is 658796002.

It can be written as a sum of positive squares in only one way, i.e., 153363456 + 47334400 = 12384^2 + 6880^2 .

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (200697853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3786726 + ... + 3786778.

Almost surely, 2^200697856 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 200697856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209299545).

200697856 is an abundant number, since it is smaller than the sum of its proper divisors (217901234).

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

200697856 is an frugal number, since it uses more digits than its factorization.

200697856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 200697856 is about 14166.7870739981. The cubic root of 200697856 is about 585.4829391660.

The spelling of 200697856 in words is "two hundred million, six hundred ninety-seven thousand, eight hundred fifty-six".