849970 has 16 divisors (see below), whose sum is σ = 1669248. Its totient is φ = 309040.

The previous prime is 849967. The next prime is 849973. The reversal of 849970 is 79948.

It is a happy number.

849970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (849967) and next prime (849973).

It is not an unprimeable number, because it can be changed into a prime (849973) 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, 3754 + ... + 3973.

It is an arithmetic number, because the mean of its divisors is an integer number (104328).

2⁸⁴⁹⁹⁷⁰ is an apocalyptic number.

849970 is a deficient number, since it is larger than the sum of its proper divisors (819278).

849970 is a wasteful number, since it uses less digits than its factorization.

849970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745.

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

The square root of 849970 is about 921.9381758014. The cubic root of 849970 is about 94.7257092723.

The spelling of 849970 in words is "eight hundred forty-nine thousand, nine hundred seventy".