793640 has 16 divisors (see below), whose sum is σ = 1785780. Its totient is φ = 317440.

The previous prime is 793633. The next prime is 793669. The reversal of 793640 is 46397.

It can be written as a sum of positive squares in 2 ways, for example, as 662596 + 131044 = 814^2 + 362^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9881 + ... + 9960.

2⁷⁹³⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

793640 is an abundant number, since it is smaller than the sum of its proper divisors (992140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

793640 is a wasteful number, since it uses less digits than its factorization.

793640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19852 (or 19848 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 793640 is about 890.8647484327. The cubic root of 793640 is about 92.5851176583.

The spelling of 793640 in words is "seven hundred ninety-three thousand, six hundred forty".