28356746 has 16 divisors (see below), whose sum is σ = 48420288. Its totient is φ = 12328800.

The previous prime is 28356739. The next prime is 28356773. The reversal of 28356746 is 64765382.

It is a happy 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, 27515 + ... + 28526.

It is an arithmetic number, because the mean of its divisors is an integer number (3026268).

Almost surely, 2^28356746 is an apocalyptic number.

28356746 is a deficient number, since it is larger than the sum of its proper divisors (20063542).

28356746 is a wasteful number, since it uses less digits than its factorization.

28356746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56077.

The product of its digits is 241920, while the sum is 41.

The square root of 28356746 is about 5325.1052571757. The cubic root of 28356746 is about 304.9430906989.

The spelling of 28356746 in words is "twenty-eight million, three hundred fifty-six thousand, seven hundred forty-six".