28914552 has 48 divisors (see below), whose sum is σ = 82920240. Its totient is φ = 9070848.

The previous prime is 28914551. The next prime is 28914559. The reversal of 28914552 is 25541982.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28914551) 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, 10588 + ... + 13035.

It is an arithmetic number, because the mean of its divisors is an integer number (1727505).

Almost surely, 2^28914552 is an apocalyptic number.

It is an amenable number.

28914552 is an abundant number, since it is smaller than the sum of its proper divisors (54005688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28914552 is a wasteful number, since it uses less digits than its factorization.

28914552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23652 (or 23645 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 28914552 is about 5377.2253067916. The cubic root of 28914552 is about 306.9296347626.

It can be divided in two parts, 289 and 14552, that added together give a palindrome (14841).

The spelling of 28914552 in words is "twenty-eight million, nine hundred fourteen thousand, five hundred fifty-two".