8570949 has 8 divisors (see below), whose sum is σ = 11441952. Its totient is φ = 5706960.

The previous prime is 8570923. The next prime is 8570951. The reversal of 8570949 is 9490758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8570949 - 2⁹ = 8570437 is a prime.

It is a super-2 number, since 2×8570949² = 146922333521202, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8570949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8570909) 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, 2767 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1430244).

Almost surely, 2^8570949 is an apocalyptic number.

It is an amenable number.

8570949 is a deficient number, since it is larger than the sum of its proper divisors (2871003).

8570949 is a wasteful number, since it uses less digits than its factorization.

8570949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 8570949 is about 2927.6183152863. The cubic root of 8570949 is about 204.6490047725.

It can be divided in two parts, 85709 and 49, that added together give a palindrome (85758).

The spelling of 8570949 in words is "eight million, five hundred seventy thousand, nine hundred forty-nine".