28454315 has 8 divisors (see below), whose sum is σ = 34626528. Its totient is φ = 22442560.

The previous prime is 28454281. The next prime is 28454351. The reversal of 28454315 is 51345482.

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

It is not a de Polignac number, because 28454315 - 2¹⁴ = 28437931 is a prime.

It is a Duffinian 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, 39722 + ... + 40431.

It is an arithmetic number, because the mean of its divisors is an integer number (4328316).

Almost surely, 2^28454315 is an apocalyptic number.

28454315 is a deficient number, since it is larger than the sum of its proper divisors (6172213).

28454315 is an equidigital number, since it uses as much as digits as its factorization.

28454315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80229.

The product of its digits is 19200, while the sum is 32.

The square root of 28454315 is about 5334.2586176525. The cubic root of 28454315 is about 305.2924365314.

Adding to 28454315 its reverse (51345482), we get a palindrome (79799797).

The spelling of 28454315 in words is "twenty-eight million, four hundred fifty-four thousand, three hundred fifteen".