28240598 has 4 divisors (see below), whose sum is σ = 42360900. Its totient is φ = 14120298.

The previous prime is 28240591. The next prime is 28240601. The reversal of 28240598 is 89504282.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28240591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060148 + ... + 7060151.

It is an arithmetic number, because the mean of its divisors is an integer number (10590225).

Almost surely, 2^28240598 is an apocalyptic number.

28240598 is a deficient number, since it is larger than the sum of its proper divisors (14120302).

28240598 is a wasteful number, since it uses less digits than its factorization.

28240598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14120301.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28240598 is about 5314.1883670039. The cubic root of 28240598 is about 304.5261764072.

The spelling of 28240598 in words is "twenty-eight million, two hundred forty thousand, five hundred ninety-eight".