28988962 has 4 divisors (see below), whose sum is σ = 43483446. Its totient is φ = 14494480.

The previous prime is 28988959. The next prime is 28988977. The reversal of 28988962 is 26988982.

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

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 3798601 = 5019^2 + 1949^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7247239 + ... + 7247242.

Almost surely, 2^28988962 is an apocalyptic number.

28988962 is a deficient number, since it is larger than the sum of its proper divisors (14494484).

28988962 is a wasteful number, since it uses less digits than its factorization.

28988962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494483.

The product of its digits is 995328, while the sum is 52.

The square root of 28988962 is about 5384.1398570245. The cubic root of 28988962 is about 307.1926980438.

The spelling of 28988962 in words is "twenty-eight million, nine hundred eighty-eight thousand, nine hundred sixty-two".