28462249 has 8 divisors (see below), whose sum is σ = 29034720. Its totient is φ = 27892896.

The previous prime is 28462243. The next prime is 28462279. The reversal of 28462249 is 94226482.

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 28462249 - 2⁹ = 28461737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28462243) 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, 27037 + ... + 28069.

It is an arithmetic number, because the mean of its divisors is an integer number (3629340).

Almost surely, 2^28462249 is an apocalyptic number.

It is an amenable number.

28462249 is a deficient number, since it is larger than the sum of its proper divisors (572471).

28462249 is a wasteful number, since it uses less digits than its factorization.

28462249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its digits is 55296, while the sum is 37.

The square root of 28462249 is about 5335.0022492966. The cubic root of 28462249 is about 305.3208090892.

Subtracting from 28462249 its product of digits (55296), we obtain a triangular number (28406953 = T₇₅₃₇).

The spelling of 28462249 in words is "twenty-eight million, four hundred sixty-two thousand, two hundred forty-nine".