201965862 has 64 divisors (see below), whose sum is σ = 476596224. Its totient is φ = 55862400.

The previous prime is 201965849. The next prime is 201965867. The reversal of 201965862 is 268569102.

It is a self number, because there is not a number n which added to its sum of digits gives 201965862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201965867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198868 + ... + 199880.

It is an arithmetic number, because the mean of its divisors is an integer number (7446816).

Almost surely, 2^201965862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201965862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238298112).

201965862 is an abundant number, since it is smaller than the sum of its proper divisors (274630362).

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

201965862 is a wasteful number, since it uses less digits than its factorization.

201965862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 201965862 is about 14211.4693821575. The cubic root of 201965862 is about 586.7133755998.

The spelling of 201965862 in words is "two hundred one million, nine hundred sixty-five thousand, eight hundred sixty-two".