28953898 has 4 divisors (see below), whose sum is σ = 43430850. Its totient is φ = 14476948.

The previous prime is 28953889. The next prime is 28953901. The reversal of 28953898 is 89835982.

It is a happy number.

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., 24275329 + 4678569 = 4927^2 + 2163^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7238473 + ... + 7238476.

Almost surely, 2^28953898 is an apocalyptic number.

28953898 is a deficient number, since it is larger than the sum of its proper divisors (14476952).

28953898 is a wasteful number, since it uses less digits than its factorization.

28953898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14476951.

The product of its digits is 1244160, while the sum is 52.

The square root of 28953898 is about 5380.8826413517. The cubic root of 28953898 is about 307.0687916803.

The spelling of 28953898 in words is "twenty-eight million, nine hundred fifty-three thousand, eight hundred ninety-eight".