28311350 has 12 divisors (see below), whose sum is σ = 52659204. Its totient is φ = 11324520.

The previous prime is 28311331. The next prime is 28311373. The reversal of 28311350 is 5311382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283064 + ... + 283163.

It is an arithmetic number, because the mean of its divisors is an integer number (4388267).

Almost surely, 2^28311350 is an apocalyptic number.

28311350 is a deficient number, since it is larger than the sum of its proper divisors (24347854).

28311350 is a wasteful number, since it uses less digits than its factorization.

28311350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566239 (or 566234 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 28311350 is about 5320.8410989241. The cubic root of 28311350 is about 304.7802771158.

The spelling of 28311350 in words is "twenty-eight million, three hundred eleven thousand, three hundred fifty".