793981901 has 4 divisors (see below), whose sum is σ = 803548032. Its totient is φ = 784415772.

The previous prime is 793981897. The next prime is 793981913. The reversal of 793981901 is 109189397.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109189397 = 439 ⋅248723.

It is a cyclic number.

It is not a de Polignac number, because 793981901 - 2² = 793981897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (793911901) 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, 4782941 + ... + 4783106.

It is an arithmetic number, because the mean of its divisors is an integer number (200887008).

Almost surely, 2^793981901 is an apocalyptic number.

It is an amenable number.

793981901 is a deficient number, since it is larger than the sum of its proper divisors (9566131).

793981901 is an equidigital number, since it uses as much as digits as its factorization.

793981901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566130.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 793981901 is about 28177.6844506429. The cubic root of 793981901 is about 925.9841100698.

The spelling of 793981901 in words is "seven hundred ninety-three million, nine hundred eighty-one thousand, nine hundred one".