940921798 has 4 divisors (see below), whose sum is σ = 1411382700. Its totient is φ = 470460898.

The previous prime is 940921777. The next prime is 940921801. The reversal of 940921798 is 897129049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 897129049 = 17 ⋅52772297.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235230448 + ... + 235230451.

It is an arithmetic number, because the mean of its divisors is an integer number (352845675).

Almost surely, 2^940921798 is an apocalyptic number.

940921798 is a deficient number, since it is larger than the sum of its proper divisors (470460902).

940921798 is a wasteful number, since it uses less digits than its factorization.

940921798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470460901.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 940921798 is about 30674.4486177013. The cubic root of 940921798 is about 979.9062099607.

The spelling of 940921798 in words is "nine hundred forty million, nine hundred twenty-one thousand, seven hundred ninety-eight".