28942898 has 8 divisors (see below), whose sum is σ = 43483392. Its totient is φ = 14448436.

The previous prime is 28942883. The next prime is 28942931. The reversal of 28942898 is 89824982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9890 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (5435424).

Almost surely, 2^28942898 is an apocalyptic number.

28942898 is a deficient number, since it is larger than the sum of its proper divisors (14540494).

28942898 is a wasteful number, since it uses less digits than its factorization.

28942898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016.

The product of its digits is 663552, while the sum is 50.

The square root of 28942898 is about 5379.8604071110. The cubic root of 28942898 is about 307.0299001460.

The spelling of 28942898 in words is "twenty-eight million, nine hundred forty-two thousand, eight hundred ninety-eight".