8949859 has 4 divisors (see below), whose sum is σ = 9096640. Its totient is φ = 8803080.

The previous prime is 8949839. The next prime is 8949869. The reversal of 8949859 is 9589498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9589498 = 2 ⋅4794749.

It is a cyclic number.

It is not a de Polignac number, because 8949859 - 2²³ = 561251 is a prime.

It is a super-2 number, since 2×8949859² = 160199952239762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8949839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73299 + ... + 73420.

It is an arithmetic number, because the mean of its divisors is an integer number (2274160).

Almost surely, 2^8949859 is an apocalyptic number.

8949859 is a deficient number, since it is larger than the sum of its proper divisors (146781).

8949859 is a wasteful number, since it uses less digits than its factorization.

8949859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146780.

The product of its digits is 933120, while the sum is 52.

The square root of 8949859 is about 2991.6314946865. The cubic root of 8949859 is about 207.6213757391.

The spelling of 8949859 in words is "eight million, nine hundred forty-nine thousand, eight hundred fifty-nine".