28141465 has 16 divisors (see below), whose sum is σ = 37085760. Its totient is φ = 20329920.

The previous prime is 28141447. The next prime is 28141469. The reversal of 28141465 is 56414182.

It is not a de Polignac number, because 28141465 - 2⁵ = 28141433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28141469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7006 + ... + 10264.

It is an arithmetic number, because the mean of its divisors is an integer number (2317860).

Almost surely, 2^28141465 is an apocalyptic number.

It is an amenable number.

28141465 is a deficient number, since it is larger than the sum of its proper divisors (8944295).

28141465 is a wasteful number, since it uses less digits than its factorization.

28141465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432.

The product of its digits is 7680, while the sum is 31.

The square root of 28141465 is about 5304.8529668597. The cubic root of 28141465 is about 304.1694324721.

The spelling of 28141465 in words is "twenty-eight million, one hundred forty-one thousand, four hundred sixty-five".