298986428 has 24 divisors (see below), whose sum is σ = 571891152. Its totient is φ = 135932544.

The previous prime is 298986427. The next prime is 298986461. The reversal of 298986428 is 824689892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298986427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39425 + ... + 46392.

It is an arithmetic number, because the mean of its divisors is an integer number (23828798).

Almost surely, 2^298986428 is an apocalyptic number.

It is an amenable number.

298986428 is a deficient number, since it is larger than the sum of its proper divisors (272904724).

298986428 is a wasteful number, since it uses less digits than its factorization.

298986428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85901 (or 85899 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The square root of 298986428 is about 17291.2240168243. The cubic root of 298986428 is about 668.6781900009.

It can be divided in two parts, 2989864 and 28, that added together give a palindrome (2989892).

The spelling of 298986428 in words is "two hundred ninety-eight million, nine hundred eighty-six thousand, four hundred twenty-eight".