807949 has 2 divisors, whose sum is σ = 807950. Its totient is φ = 807948.

The previous prime is 807943. The next prime is 807973. The reversal of 807949 is 949708.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469225 + 338724 = 685^2 + 582^2 .

It is a cyclic number.

It is not a de Polignac number, because 807949 - 2³ = 807941 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403974 + 403975.

It is an arithmetic number, because the mean of its divisors is an integer number (403975).

2⁸⁰⁷⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

807949 is a deficient number, since it is larger than the sum of its proper divisors (1).

807949 is an equidigital number, since it uses as much as digits as its factorization.

807949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 807949 is about 898.8598333444. The cubic root of 807949 is about 93.1382304821.

It can be divided in two parts, 8079 and 49, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 807949 in words is "eight hundred seven thousand, nine hundred forty-nine".