298148949 has 24 divisors (see below), whose sum is σ = 492640512. Its totient is φ = 170212320.

The previous prime is 298148947. The next prime is 298148953. The reversal of 298148949 is 949841892.

It is not a de Polignac number, because 298148949 - 2¹ = 298148947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 298148895 and 298148904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298148947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115972 + ... + 118514.

It is an arithmetic number, because the mean of its divisors is an integer number (20526688).

Almost surely, 2^298148949 is an apocalyptic number.

It is an amenable number.

298148949 is a deficient number, since it is larger than the sum of its proper divisors (194491563).

298148949 is a wasteful number, since it uses less digits than its factorization.

298148949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417 (or 4414 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 298148949 is about 17266.9901546274. The cubic root of 298148949 is about 668.0532701910.

The spelling of 298148949 in words is "two hundred ninety-eight million, one hundred forty-eight thousand, nine hundred forty-nine".