28451546 has 8 divisors (see below), whose sum is σ = 43278624. Its totient is φ = 14025340.

The previous prime is 28451539. The next prime is 28451567. The reversal of 28451546 is 64515482.

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

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, 100040 + ... + 100323.

It is an arithmetic number, because the mean of its divisors is an integer number (5409828).

Almost surely, 2^28451546 is an apocalyptic number.

28451546 is a deficient number, since it is larger than the sum of its proper divisors (14827078).

28451546 is a wasteful number, since it uses less digits than its factorization.

28451546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200436.

The product of its digits is 38400, while the sum is 35.

The square root of 28451546 is about 5333.9990626171. Note that the first 3 decimals coincide. The cubic root of 28451546 is about 305.2825331455.

It can be divided in two parts, 2 and 8451546, that added together give a palindrome (8451548).

The spelling of 28451546 in words is "twenty-eight million, four hundred fifty-one thousand, five hundred forty-six".