28098469 has 8 divisors (see below), whose sum is σ = 32196608. Its totient is φ = 24021360.

The previous prime is 28098409. The next prime is 28098481. The reversal of 28098469 is 96489082.

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

It is a cyclic number.

It is not a de Polignac number, because 28098469 - 2¹³ = 28090277 is a prime.

It is a super-2 number, since 2×28098469² = 1579047920287922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28098409) 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, 2277 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (4024576).

Almost surely, 2^28098469 is an apocalyptic number.

It is an amenable number.

28098469 is a deficient number, since it is larger than the sum of its proper divisors (4098139).

28098469 is a wasteful number, since it uses less digits than its factorization.

28098469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10515.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 28098469 is about 5300.7989020524. The cubic root of 28098469 is about 304.0144448642.

The spelling of 28098469 in words is "twenty-eight million, ninety-eight thousand, four hundred sixty-nine".