28141474 has 8 divisors (see below), whose sum is σ = 42842448. Its totient is φ = 13860660.

The previous prime is 28141469. The next prime is 28141483. The reversal of 28141474 is 47414182.

It is a happy number.

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

It is a super-3 number, since 3×28141474³ (a number of 23 digits) contains 333 as substring.

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, 104872 + ... + 105139.

It is an arithmetic number, because the mean of its divisors is an integer number (5355306).

Almost surely, 2^28141474 is an apocalyptic number.

28141474 is a deficient number, since it is larger than the sum of its proper divisors (14700974).

28141474 is a wasteful number, since it uses less digits than its factorization.

28141474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210080.

The product of its digits is 7168, while the sum is 31.

The square root of 28141474 is about 5304.8538151395. The cubic root of 28141474 is about 304.1694648978.

The spelling of 28141474 in words is "twenty-eight million, one hundred forty-one thousand, four hundred seventy-four".