28029134 has 32 divisors (see below), whose sum is σ = 50996736. Its totient is φ = 11293920.

The previous prime is 28029097. The next prime is 28029143. The reversal of 28029134 is 43192082.

It is a junction number, because it is equal to n+sod(n) for n = 28029097 and 28029106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18929 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (1593648).

Almost surely, 2^28029134 is an apocalyptic number.

28029134 is a deficient number, since it is larger than the sum of its proper divisors (22967602).

28029134 is a wasteful number, since it uses less digits than its factorization.

28029134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 28029134 is about 5294.2548106414. The cubic root of 28029134 is about 303.7641797080.

The spelling of 28029134 in words is "twenty-eight million, twenty-nine thousand, one hundred thirty-four".