201584996 has 6 divisors (see below), whose sum is σ = 352773750. Its totient is φ = 100792496.

The previous prime is 201584993. The next prime is 201585019. The reversal of 201584996 is 699485102.

It can be written as a sum of positive squares in only one way, i.e., 190826596 + 10758400 = 13814^2 + 3280^2 .

It is a super-2 number, since 2×201584996² = 81273021224640032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201584993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25198121 + ... + 25198128.

It is an arithmetic number, because the mean of its divisors is an integer number (58795625).

Almost surely, 2^201584996 is an apocalyptic number.

It is an amenable number.

201584996 is a deficient number, since it is larger than the sum of its proper divisors (151188754).

201584996 is a wasteful number, since it uses less digits than its factorization.

201584996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50396253 (or 50396251 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 201584996 is about 14198.0631073397. The cubic root of 201584996 is about 586.3443366813.

The spelling of 201584996 in words is "two hundred one million, five hundred eighty-four thousand, nine hundred ninety-six".