870633 has 6 divisors (see below), whose sum is σ = 1257594. Its totient is φ = 580416.

The previous prime is 870629. The next prime is 870641. The reversal of 870633 is 336078.

It is a happy number.

870633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 870489 + 144 = 933^2 + 12^2 .

It is not a de Polignac number, because 870633 - 2² = 870629 is a prime.

870633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 870597 and 870606.

It is not an unprimeable number, because it can be changed into a prime (870613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48360 + ... + 48377.

It is an arithmetic number, because the mean of its divisors is an integer number (209599).

2⁸⁷⁰⁶³³ is an apocalyptic number.

It is an amenable number.

870633 is a deficient number, since it is larger than the sum of its proper divisors (386961).

870633 is a wasteful number, since it uses less digits than its factorization.

870633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96743 (or 96740 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 870633 is about 933.0771672268. The cubic root of 870633 is about 95.4871742504.

The spelling of 870633 in words is "eight hundred seventy thousand, six hundred thirty-three".