201583996 has 12 divisors (see below), whose sum is σ = 371339080. Its totient is φ = 95487120.

The previous prime is 201583973. The next prime is 201583997. The reversal of 201583996 is 699385102.

It is a happy number.

It is a super-2 number, since 2×201583996² = 81272214886656032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201583997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326135 + ... + 1326286.

Almost surely, 2^201583996 is an apocalyptic number.

It is an amenable number.

201583996 is a deficient number, since it is larger than the sum of its proper divisors (169755084).

201583996 is a wasteful number, since it uses less digits than its factorization.

201583996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652444 (or 2652442 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 201583996 is about 14198.0278912249. The cubic root of 201583996 is about 586.3433671229.

The spelling of 201583996 in words is "two hundred one million, five hundred eighty-three thousand, nine hundred ninety-six".