201944192 has 16 divisors (see below), whose sum is σ = 402310950. Its totient is φ = 100972032.

The previous prime is 201944167. The next prime is 201944201. The reversal of 201944192 is 291449102.

It can be written as a sum of positive squares in only one way, i.e., 196672576 + 5271616 = 14024^2 + 2296^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788717 + ... + 788972.

Almost surely, 2^201944192 is an apocalyptic number.

It is an amenable number.

201944192 is a deficient number, since it is larger than the sum of its proper divisors (200366758).

201944192 is an equidigital number, since it uses as much as digits as its factorization.

201944192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577703 (or 1577691 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 201944192 is about 14210.7069493393. The cubic root of 201944192 is about 586.6923909749.

The spelling of 201944192 in words is "two hundred one million, nine hundred forty-four thousand, one hundred ninety-two".