28452711 has 16 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 16187808.

The previous prime is 28452707. The next prime is 28452731. The reversal of 28452711 is 11725482.

It is not a de Polignac number, because 28452711 - 2² = 28452707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28452731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2185 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^28452711 is an apocalyptic number.

28452711 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28452711 is a deficient number, since it is larger than the sum of its proper divisors (15092889).

28452711 is a wasteful number, since it uses less digits than its factorization.

28452711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918.

The product of its digits is 4480, while the sum is 30.

The square root of 28452711 is about 5334.1082666178. The cubic root of 28452711 is about 305.2866998705.

The spelling of 28452711 in words is "twenty-eight million, four hundred fifty-two thousand, seven hundred eleven".