793909397 has 4 divisors (see below), whose sum is σ = 795743340. Its totient is φ = 792075456.

The previous prime is 793909381. The next prime is 793909427.

It is a happy number.

793909397 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122788561 + 671120836 = 11081^2 + 25906^2 .

It is a cyclic number.

It is not a de Polignac number, because 793909397 - 2⁴ = 793909381 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 (793909097) 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, 916322 + ... + 917187.

It is an arithmetic number, because the mean of its divisors is an integer number (198935835).

Almost surely, 2^793909397 is an apocalyptic number.

It is an amenable number.

793909397 is a deficient number, since it is larger than the sum of its proper divisors (1833943).

793909397 is a wasteful number, since it uses less digits than its factorization.

793909397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833942.

The product of its (nonzero) digits is 2893401, while the sum is 56.

The square root of 793909397 is about 28176.3978712681. The cubic root of 793909397 is about 925.9559231991.

The spelling of 793909397 in words is "seven hundred ninety-three million, nine hundred nine thousand, three hundred ninety-seven".