28141426 has 16 divisors (see below), whose sum is σ = 46238040. Its totient is φ = 12785920.

The previous prime is 28141411. The next prime is 28141433. The reversal of 28141426 is 62414182.

It can be written as a sum of positive squares in 4 ways, for example, as 24512401 + 3629025 = 4951^2 + 1905^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28141394 and 28141403.

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, 13285 + ... + 15256.

Almost surely, 2^28141426 is an apocalyptic number.

28141426 is a deficient number, since it is larger than the sum of its proper divisors (18096614).

28141426 is a wasteful number, since it uses less digits than its factorization.

28141426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28589.

The product of its digits is 3072, while the sum is 28.

The square root of 28141426 is about 5304.8492909790. The cubic root of 28141426 is about 304.1692919604.

The spelling of 28141426 in words is "twenty-eight million, one hundred forty-one thousand, four hundred twenty-six".