849801 has 4 divisors (see below), whose sum is σ = 1133072. Its totient is φ = 566532.

The previous prime is 849773. The next prime is 849829. The reversal of 849801 is 108948.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (849773) and next prime (849829).

It is not a de Polignac number, because 849801 - 2¹⁹ = 325513 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141631 + ... + 141636.

It is an arithmetic number, because the mean of its divisors is an integer number (283268).

2⁸⁴⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

849801 is a deficient number, since it is larger than the sum of its proper divisors (283271).

849801 is a wasteful number, since it uses less digits than its factorization.

849801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283270.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 849801 is about 921.8465165091. The cubic root of 849801 is about 94.7194307346.

The spelling of 849801 in words is "eight hundred forty-nine thousand, eight hundred one".