28011352 has 32 divisors (see below), whose sum is σ = 54604800. Its totient is φ = 13456800.

The previous prime is 28011343. The next prime is 28011353. The reversal of 28011352 is 25311082.

It is a super-3 number, since 3×28011352³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28011353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44077 + ... + 44707.

It is an arithmetic number, because the mean of its divisors is an integer number (1706400).

Almost surely, 2^28011352 is an apocalyptic number.

It is an amenable number.

28011352 is a deficient number, since it is larger than the sum of its proper divisors (26593448).

28011352 is a wasteful number, since it uses less digits than its factorization.

28011352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 28011352 is about 5292.5751766035. The cubic root of 28011352 is about 303.6999289739.

The spelling of 28011352 in words is "twenty-eight million, eleven thousand, three hundred fifty-two".