28249562 has 16 divisors (see below), whose sum is σ = 46321632. Its totient is φ = 12814320.

The previous prime is 28249549. The next prime is 28249591. The reversal of 28249562 is 26594282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13148 + ... + 15144.

It is an arithmetic number, because the mean of its divisors is an integer number (2895102).

Almost surely, 2^28249562 is an apocalyptic number.

28249562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28249562 is a deficient number, since it is larger than the sum of its proper divisors (18072070).

28249562 is a wasteful number, since it uses less digits than its factorization.

28249562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its digits is 69120, while the sum is 38.

The square root of 28249562 is about 5315.0317026336. The cubic root of 28249562 is about 304.5583934288.

The spelling of 28249562 in words is "twenty-eight million, two hundred forty-nine thousand, five hundred sixty-two".