28141534 has 8 divisors (see below), whose sum is σ = 43353288. Its totient is φ = 13690440.

The previous prime is 28141501. The next prime is 28141537. The reversal of 28141534 is 43514182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28141537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190072 + ... + 190219.

It is an arithmetic number, because the mean of its divisors is an integer number (5419161).

Almost surely, 2^28141534 is an apocalyptic number.

28141534 is a deficient number, since it is larger than the sum of its proper divisors (15211754).

28141534 is a wasteful number, since it uses less digits than its factorization.

28141534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380330.

The product of its digits is 3840, while the sum is 28.

The square root of 28141534 is about 5304.8594703347. The cubic root of 28141534 is about 304.1696810694.

The spelling of 28141534 in words is "twenty-eight million, one hundred forty-one thousand, five hundred thirty-four".