28333474 has 16 divisors (see below), whose sum is σ = 46835712. Its totient is φ = 12772368.

The previous prime is 28333471. The next prime is 28333477. The reversal of 28333474 is 47433382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28333471) and next prime (28333477).

It is not an unprimeable number, because it can be changed into a prime (28333471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11554 + ... + 13789.

It is an arithmetic number, because the mean of its divisors is an integer number (2927232).

Almost surely, 2^28333474 is an apocalyptic number.

28333474 is a deficient number, since it is larger than the sum of its proper divisors (18502238).

28333474 is a wasteful number, since it uses less digits than its factorization.

28333474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25401.

The product of its digits is 48384, while the sum is 34.

The square root of 28333474 is about 5322.9196875399. The cubic root of 28333474 is about 304.8596469702.

The spelling of 28333474 in words is "twenty-eight million, three hundred thirty-three thousand, four hundred seventy-four".