28046575 has 12 divisors (see below), whose sum is σ = 34897320. Its totient is φ = 22360160.

The previous prime is 28046573. The next prime is 28046581. The reversal of 28046575 is 57564082.

It is a happy number.

It is not a de Polignac number, because 28046575 - 2¹ = 28046573 is a prime.

It is a super-2 number, since 2×28046575² = 1573220738461250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28046573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6156 + ... + 9694.

It is an arithmetic number, because the mean of its divisors is an integer number (2908110).

Almost surely, 2^28046575 is an apocalyptic number.

28046575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28046575 is a deficient number, since it is larger than the sum of its proper divisors (6850745).

28046575 is a wasteful number, since it uses less digits than its factorization.

28046575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 28046575 is about 5295.9017173660. The cubic root of 28046575 is about 303.8271719332.

The spelling of 28046575 in words is "twenty-eight million, forty-six thousand, five hundred seventy-five".