801969 has 8 divisors (see below), whose sum is σ = 1222080. Its totient is φ = 458256.

The previous prime is 801959. The next prime is 801973. The reversal of 801969 is 969108.

It is a happy number.

801969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 801969 - 2⁷ = 801841 is a prime.

It is a super-2 number, since 2×801969² = 1286308553922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (801949) 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, 19074 + ... + 19115.

It is an arithmetic number, because the mean of its divisors is an integer number (152760).

2⁸⁰¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

801969 is a deficient number, since it is larger than the sum of its proper divisors (420111).

801969 is a wasteful number, since it uses less digits than its factorization.

801969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38199.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 801969 is about 895.5272190168. The cubic root of 801969 is about 92.9078750108.

It can be divided in two parts, 801 and 969, that added together give a triangular number (1770 = T₅₉).

The spelling of 801969 in words is "eight hundred one thousand, nine hundred sixty-nine".