28314546 has 32 divisors (see below), whose sum is σ = 62639808. Its totient is φ = 8475840.

The previous prime is 28314529. The next prime is 28314547. The reversal of 28314546 is 64541382.

It is a super-2 number, since 2×28314546² = 1603427030372232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28314547) 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 15 ways as a sum of consecutive naturals, for example, 2020 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (1957494).

Almost surely, 2^28314546 is an apocalyptic number.

28314546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28314546 is an abundant number, since it is smaller than the sum of its proper divisors (34325262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28314546 is a wasteful number, since it uses less digits than its factorization.

28314546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866.

The product of its digits is 23040, while the sum is 33.

The square root of 28314546 is about 5321.1414189063. The cubic root of 28314546 is about 304.7917453210.

The spelling of 28314546 in words is "twenty-eight million, three hundred fourteen thousand, five hundred forty-six".