28038298 has 16 divisors (see below), whose sum is σ = 42706944. Its totient is φ = 13804560.

The previous prime is 28038277. The next prime is 28038299. The reversal of 28038298 is 89283082.

It is a super-2 number, since 2×28038298² = 1572292309473608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28038298.

It is not an unprimeable number, because it can be changed into a prime (28038299) 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, 42088 + ... + 42748.

It is an arithmetic number, because the mean of its divisors is an integer number (2669184).

Almost surely, 2^28038298 is an apocalyptic number.

28038298 is a deficient number, since it is larger than the sum of its proper divisors (14668646).

28038298 is a wasteful number, since it uses less digits than its factorization.

28038298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 28038298 is about 5295.1202063787. The cubic root of 28038298 is about 303.7972808808.

The spelling of 28038298 in words is "twenty-eight million, thirty-eight thousand, two hundred ninety-eight".