797149 has 6 divisors (see below), whose sum is σ = 814430. Its totient is φ = 780216.

The previous prime is 797143. The next prime is 797161. The reversal of 797149 is 941797.

797149 = T₁₃₄ + T₁₃₅ + ... + T₁₉₂.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 13924 = 885^2 + 118^2 .

It is not a de Polignac number, because 797149 - 2⁷ = 797021 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 (797143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3367 + ... + 3595.

2⁷⁹⁷¹⁴⁹ is an apocalyptic number.

It is an amenable number.

797149 is a deficient number, since it is larger than the sum of its proper divisors (17281).

797149 is an equidigital number, since it uses as much as digits as its factorization.

797149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 288 counting only the distinct ones).

The product of its digits is 15876, while the sum is 37.

The square root of 797149 is about 892.8320110749. The cubic root of 797149 is about 92.7213689984.

It can be divided in two parts, 797 and 149, that added together give a triangular number (946 = T₄₃).

The spelling of 797149 in words is "seven hundred ninety-seven thousand, one hundred forty-nine".