28492713 has 6 divisors (see below), whose sum is σ = 41156154. Its totient is φ = 18995136.

The previous prime is 28492687. The next prime is 28492721. The reversal of 28492713 is 31729482.

It can be written as a sum of positive squares in only one way, i.e., 27594009 + 898704 = 5253^2 + 948^2 .

It is not a de Polignac number, because 28492713 - 2¹⁸ = 28230569 is a prime.

It is a super-3 number, since 3×28492713³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28492733) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1582920 + ... + 1582937.

It is an arithmetic number, because the mean of its divisors is an integer number (6859359).

Almost surely, 2^28492713 is an apocalyptic number.

It is an amenable number.

28492713 is a deficient number, since it is larger than the sum of its proper divisors (12663441).

28492713 is a wasteful number, since it uses less digits than its factorization.

28492713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165863 (or 3165860 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 28492713 is about 5337.8565923037. The cubic root of 28492713 is about 305.4297015924.

The spelling of 28492713 in words is "twenty-eight million, four hundred ninety-two thousand, seven hundred thirteen".