28998982 has 4 divisors (see below), whose sum is σ = 43498476. Its totient is φ = 14499490.

The previous prime is 28998979. The next prime is 28998989. The reversal of 28998982 is 28989982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28998989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7249744 + ... + 7249747.

It is an arithmetic number, because the mean of its divisors is an integer number (10874619).

Almost surely, 2^28998982 is an apocalyptic number.

28998982 is a deficient number, since it is larger than the sum of its proper divisors (14499494).

28998982 is a wasteful number, since it uses less digits than its factorization.

28998982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14499493.

The product of its digits is 1492992, while the sum is 55.

The square root of 28998982 is about 5385.0702873779. The cubic root of 28998982 is about 307.2280875627.

It can be divided in two parts, 2899 and 8982, that added together give a square (11881 = 109²).

The spelling of 28998982 in words is "twenty-eight million, nine hundred ninety-eight thousand, nine hundred eighty-two".