28798374 has 32 divisors (see below), whose sum is σ = 66531456. Its totient is φ = 8213120.

The previous prime is 28798361. The next prime is 28798379. The reversal of 28798374 is 47389782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28798379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11712 + ... + 13955.

It is an arithmetic number, because the mean of its divisors is an integer number (2079108).

Almost surely, 2^28798374 is an apocalyptic number.

28798374 is an abundant number, since it is smaller than the sum of its proper divisors (37733082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28798374 is a wasteful number, since it uses less digits than its factorization.

28798374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25700.

The product of its digits is 677376, while the sum is 48.

The square root of 28798374 is about 5366.4116502557. The cubic root of 28798374 is about 306.5180042417.

The spelling of 28798374 in words is "twenty-eight million, seven hundred ninety-eight thousand, three hundred seventy-four".