28485746 has 8 divisors (see below), whose sum is σ = 42768624. Its totient is φ = 14229540.

The previous prime is 28485701. The next prime is 28485757. The reversal of 28485746 is 64758482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28485746² = 1622875450353032, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28485697 and 28485706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3740 + ... + 8423.

It is an arithmetic number, because the mean of its divisors is an integer number (5346078).

Almost surely, 2^28485746 is an apocalyptic number.

28485746 is a deficient number, since it is larger than the sum of its proper divisors (14282878).

28485746 is a wasteful number, since it uses less digits than its factorization.

28485746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13336.

The product of its digits is 430080, while the sum is 44.

The square root of 28485746 is about 5337.2039496351. The cubic root of 28485746 is about 305.4048051426.

The spelling of 28485746 in words is "twenty-eight million, four hundred eighty-five thousand, seven hundred forty-six".