8949491 has 4 divisors (see below), whose sum is σ = 8964984. Its totient is φ = 8934000.

The previous prime is 8949481. The next prime is 8949503. The reversal of 8949491 is 1949498.

8949491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1949498 = 2 ⋅974749.

It is a cyclic number.

It is not a de Polignac number, because 8949491 - 2⁶ = 8949427 is a prime.

It is a super-3 number, since 3×8949491³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8949481) 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, 6845 + ... + 8046.

It is an arithmetic number, because the mean of its divisors is an integer number (2241246).

Almost surely, 2^8949491 is an apocalyptic number.

8949491 is a deficient number, since it is larger than the sum of its proper divisors (15493).

8949491 is a wasteful number, since it uses less digits than its factorization.

8949491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15492.

The product of its digits is 93312, while the sum is 44.

The square root of 8949491 is about 2991.5699891529. The cubic root of 8949491 is about 207.6185300438.

The spelling of 8949491 in words is "eight million, nine hundred forty-nine thousand, four hundred ninety-one".