201538896 has 80 divisors (see below), whose sum is σ = 568713600. Its totient is φ = 61125120.

The previous prime is 201538873. The next prime is 201538907. The reversal of 201538896 is 698835102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42030 + ... + 46578.

It is an arithmetic number, because the mean of its divisors is an integer number (7108920).

Almost surely, 2^201538896 is an apocalyptic number.

201538896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201538896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284356800).

201538896 is an abundant number, since it is smaller than the sum of its proper divisors (367174704).

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

201538896 is a wasteful number, since it uses less digits than its factorization.

201538896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644 (or 4638 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 201538896 is about 14196.4395536346. The cubic root of 201538896 is about 586.2996367033.

The spelling of 201538896 in words is "two hundred one million, five hundred thirty-eight thousand, eight hundred ninety-six".