870587349 has 4 divisors (see below), whose sum is σ = 1160783136. Its totient is φ = 580391564.

The previous prime is 870587339. The next prime is 870587351. The reversal of 870587349 is 943785078.

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 a cyclic number.

It is not a de Polignac number, because 870587349 - 2¹⁷ = 870456277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870587339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145097889 + ... + 145097894.

It is an arithmetic number, because the mean of its divisors is an integer number (290195784).

Almost surely, 2^870587349 is an apocalyptic number.

It is an amenable number.

870587349 is a deficient number, since it is larger than the sum of its proper divisors (290195787).

870587349 is a wasteful number, since it uses less digits than its factorization.

870587349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290195786.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 870587349 is about 29505.7172256497. The cubic root of 870587349 is about 954.8550528806.

The spelling of 870587349 in words is "eight hundred seventy million, five hundred eighty-seven thousand, three hundred forty-nine".