28598471 has 12 divisors (see below), whose sum is σ = 33286176. Its totient is φ = 24467520.

The previous prime is 28598441. The next prime is 28598491. The reversal of 28598471 is 17489582.

It is a de Polignac number, because none of the positive numbers 2^k-28598471 is a prime.

It is a super-3 number, since 3×28598471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28598411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4895 + ... + 9008.

It is an arithmetic number, because the mean of its divisors is an integer number (2773848).

Almost surely, 2^28598471 is an apocalyptic number.

28598471 is a deficient number, since it is larger than the sum of its proper divisors (4687705).

28598471 is a wasteful number, since it uses less digits than its factorization.

28598471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13942 (or 13931 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 28598471 is about 5347.7538275429. The cubic root of 28598471 is about 305.8071285194.

Subtracting from 28598471 its reverse (17489582), we obtain a square (11108889 = 3333²).

The spelling of 28598471 in words is "twenty-eight million, five hundred ninety-eight thousand, four hundred seventy-one".