8990149 has 16 divisors (see below), whose sum is σ = 10686208. Its totient is φ = 7402752.

The previous prime is 8990147. The next prime is 8990153. The reversal of 8990149 is 9410998.

8990149 = T₄₁ + T₄₂ + ... + T₃₇₇.

It is not a de Polignac number, because 8990149 - 2¹ = 8990147 is a prime.

It is a Duffinian number.

8990149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26509 + ... + 26845.

It is an arithmetic number, because the mean of its divisors is an integer number (667888).

Almost surely, 2^8990149 is an apocalyptic number.

It is an amenable number.

8990149 is a deficient number, since it is larger than the sum of its proper divisors (1696059).

8990149 is a wasteful number, since it uses less digits than its factorization.

8990149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 8990149 is about 2998.3577171512. The cubic root of 8990149 is about 207.9324623554.

The spelling of 8990149 in words is "eight million, nine hundred ninety thousand, one hundred forty-nine".