28333532 has 6 divisors (see below), whose sum is σ = 49583688. Its totient is φ = 14166764.

The previous prime is 28333523. The next prime is 28333553. The reversal of 28333532 is 23533382.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28333495 and 28333504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3541688 + ... + 3541695.

It is an arithmetic number, because the mean of its divisors is an integer number (8263948).

Almost surely, 2^28333532 is an apocalyptic number.

It is an amenable number.

28333532 is a deficient number, since it is larger than the sum of its proper divisors (21250156).

28333532 is a wasteful number, since it uses less digits than its factorization.

28333532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7083387 (or 7083385 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 28333532 is about 5322.9251356749. The cubic root of 28333532 is about 304.8598549909.

The spelling of 28333532 in words is "twenty-eight million, three hundred thirty-three thousand, five hundred thirty-two".