28134332 has 6 divisors (see below), whose sum is σ = 49235088. Its totient is φ = 14067164.

The previous prime is 28134331. The next prime is 28134367. The reversal of 28134332 is 23343182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28134331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3516788 + ... + 3516795.

It is an arithmetic number, because the mean of its divisors is an integer number (8205848).

Almost surely, 2^28134332 is an apocalyptic number.

It is an amenable number.

28134332 is a deficient number, since it is larger than the sum of its proper divisors (21100756).

28134332 is a wasteful number, since it uses less digits than its factorization.

28134332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033587 (or 7033585 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 28134332 is about 5304.1806153260. The cubic root of 28134332 is about 304.1437310868.

The spelling of 28134332 in words is "twenty-eight million, one hundred thirty-four thousand, three hundred thirty-two".