797890 has 16 divisors (see below), whose sum is σ = 1457208. Its totient is φ = 314496.

The previous prime is 797887. The next prime is 797897. The reversal of 797890 is 98797.

797890 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 4 ways, for example, as 790321 + 7569 = 889^2 + 87^2 .

It is not an unprimeable number, because it can be changed into a prime (797897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184 + ... + 1276.

2⁷⁹⁷⁸⁹⁰ is an apocalyptic number.

797890 is a deficient number, since it is larger than the sum of its proper divisors (659318).

797890 is a wasteful number, since it uses less digits than its factorization.

797890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 797890 is about 893.2468863646. The cubic root of 797890 is about 92.7500902104.

The spelling of 797890 in words is "seven hundred ninety-seven thousand, eight hundred ninety".