28152049 has 8 divisors (see below), whose sum is σ = 28748160. Its totient is φ = 27560400.

The previous prime is 28152043. The next prime is 28152067. The reversal of 28152049 is 94025182.

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 28152049 - 2⁹ = 28151537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28152049.

It is not an unprimeable number, because it can be changed into a prime (28152043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13614 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (3593520).

Almost surely, 2^28152049 is an apocalyptic number.

It is an amenable number.

28152049 is a deficient number, since it is larger than the sum of its proper divisors (596111).

28152049 is a wasteful number, since it uses less digits than its factorization.

28152049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 28152049 is about 5305.8504502106. The cubic root of 28152049 is about 304.2075603824.

The spelling of 28152049 in words is "twenty-eight million, one hundred fifty-two thousand, forty-nine".