28452386 has 16 divisors (see below), whose sum is σ = 45029760. Its totient is φ = 13446000.

The previous prime is 28452377. The next prime is 28452397. The reversal of 28452386 is 68325482.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

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, 28040 + ... + 29036.

It is an arithmetic number, because the mean of its divisors is an integer number (2814360).

Almost surely, 2^28452386 is an apocalyptic number.

28452386 is a deficient number, since it is larger than the sum of its proper divisors (16577374).

28452386 is a wasteful number, since it uses less digits than its factorization.

28452386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769.

The product of its digits is 92160, while the sum is 38.

The square root of 28452386 is about 5334.0778022072. The cubic root of 28452386 is about 305.2855374908.

The spelling of 28452386 in words is "twenty-eight million, four hundred fifty-two thousand, three hundred eighty-six".