28126634 has 8 divisors (see below), whose sum is σ = 42276000. Its totient is φ = 14034636.

The previous prime is 28126603. The next prime is 28126643. The reversal of 28126634 is 43662182.

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

It is a super-2 number, since 2×28126634² = 1582215080339912, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28126634.

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, 13094 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (5284500).

Almost surely, 2^28126634 is an apocalyptic number.

28126634 is a deficient number, since it is larger than the sum of its proper divisors (14149366).

28126634 is a wasteful number, since it uses less digits than its factorization.

28126634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28684.

The product of its digits is 13824, while the sum is 32.

The square root of 28126634 is about 5303.4549116590. The cubic root of 28126634 is about 304.1159890383.

The spelling of 28126634 in words is "twenty-eight million, one hundred twenty-six thousand, six hundred thirty-four".