28468761 has 16 divisors (see below), whose sum is σ = 40854528. Its totient is φ = 17568000.

The previous prime is 28468747. The next prime is 28468763. The reversal of 28468761 is 16786482.

It is not a de Polignac number, because 28468761 - 2¹³ = 28460569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28468763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (2553408).

Almost surely, 2^28468761 is an apocalyptic number.

It is an amenable number.

28468761 is a deficient number, since it is larger than the sum of its proper divisors (12385767).

28468761 is a wasteful number, since it uses less digits than its factorization.

28468761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232.

The product of its digits is 129024, while the sum is 42.

The square root of 28468761 is about 5335.6125234128. The cubic root of 28468761 is about 305.3440925327.

The spelling of 28468761 in words is "twenty-eight million, four hundred sixty-eight thousand, seven hundred sixty-one".