201438996 has 24 divisors (see below), whose sum is σ = 512754144. Its totient is φ = 61042080.

The previous prime is 201438947. The next prime is 201438997. The reversal of 201438996 is 699834102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201438997) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 762895 + ... + 763158.

It is an arithmetic number, because the mean of its divisors is an integer number (21364756).

Almost surely, 2^201438996 is an apocalyptic number.

It is an amenable number.

201438996 is an abundant number, since it is smaller than the sum of its proper divisors (311315148).

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

201438996 is a wasteful number, since it uses less digits than its factorization.

201438996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526071 (or 1526069 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 201438996 is about 14192.9206296660. The cubic root of 201438996 is about 586.2027471943.

The spelling of 201438996 in words is "two hundred one million, four hundred thirty-eight thousand, nine hundred ninety-six".