8998949 has 4 divisors (see below), whose sum is σ = 9190464. Its totient is φ = 8807436.

The previous prime is 8998921. The next prime is 8998963. The reversal of 8998949 is 9498998.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9498998 = 2 ⋅4749499.

It is a cyclic number.

It is not a de Polignac number, because 8998949 - 2¹⁶ = 8933413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8998894 and 8998903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8998919) 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, 95687 + ... + 95780.

It is an arithmetic number, because the mean of its divisors is an integer number (2297616).

Almost surely, 2^8998949 is an apocalyptic number.

It is an amenable number.

8998949 is a deficient number, since it is larger than the sum of its proper divisors (191515).

8998949 is a wasteful number, since it uses less digits than its factorization.

8998949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191514.

The product of its digits is 1679616, while the sum is 56.

The square root of 8998949 is about 2999.8248282191. The cubic root of 8998949 is about 208.0002850711. Note that the first 3 decimals are identical.

The spelling of 8998949 in words is "eight million, nine hundred ninety-eight thousand, nine hundred forty-nine".