2091933238 has 8 divisors (see below), whose sum is σ = 3140712432. Its totient is φ = 1045029096.

The previous prime is 2091933209. The next prime is 2091933251. The reversal of 2091933238 is 8323391902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2091933238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465970 + ... + 470437.

It is an arithmetic number, because the mean of its divisors is an integer number (392589054).

Almost surely, 2^2091933238 is an apocalyptic number.

2091933238 is a deficient number, since it is larger than the sum of its proper divisors (1048779194).

2091933238 is a wasteful number, since it uses less digits than its factorization.

2091933238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937526.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 2091933238 is about 45737.6566736863. The cubic root of 2091933238 is about 1278.9373582037.

The spelling of 2091933238 in words is "two billion, ninety-one million, nine hundred thirty-three thousand, two hundred thirty-eight".