870949933 has 32 divisors (see below), whose sum is σ = 1079495424. Its totient is φ = 685780992.

The previous prime is 870949927. The next prime is 870949943. The reversal of 870949933 is 339949078.

It is a cyclic number.

It is not a de Polignac number, because 870949933 - 2²¹ = 868852781 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870949943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 929041 + ... + 929977.

It is an arithmetic number, because the mean of its divisors is an integer number (33734232).

Almost surely, 2^870949933 is an apocalyptic number.

It is an amenable number.

870949933 is a deficient number, since it is larger than the sum of its proper divisors (208545491).

870949933 is a wasteful number, since it uses less digits than its factorization.

870949933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 870949933 is about 29511.8608867689. The cubic root of 870949933 is about 954.9875944772.

The spelling of 870949933 in words is "eight hundred seventy million, nine hundred forty-nine thousand, nine hundred thirty-three".