28323746 has 16 divisors (see below), whose sum is σ = 47003328. Its totient is φ = 12692400.

The previous prime is 28323731. The next prime is 28323761. The reversal of 28323746 is 64732382.

It is an interprime number because it is at equal distance from previous prime (28323731) and next prime (28323761).

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, 7505 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (2937708).

Almost surely, 2^28323746 is an apocalyptic number.

28323746 is a deficient number, since it is larger than the sum of its proper divisors (18679582).

28323746 is a wasteful number, since it uses less digits than its factorization.

28323746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18217.

The product of its digits is 48384, while the sum is 35.

The square root of 28323746 is about 5322.0058248747. The cubic root of 28323746 is about 304.8247528596.

The spelling of 28323746 in words is "twenty-eight million, three hundred twenty-three thousand, seven hundred forty-six".