28463375 has 8 divisors (see below), whose sum is σ = 35522448. Its totient is φ = 22770600.

The previous prime is 28463371. The next prime is 28463399. The reversal of 28463375 is 57336482.

It is not a de Polignac number, because 28463375 - 2² = 28463371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28463371) 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, 113729 + ... + 113978.

It is an arithmetic number, because the mean of its divisors is an integer number (4440306).

Almost surely, 2^28463375 is an apocalyptic number.

28463375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28463375 is a deficient number, since it is larger than the sum of its proper divisors (7059073).

28463375 is an equidigital number, since it uses as much as digits as its factorization.

28463375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227722 (or 227712 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 28463375 is about 5335.1077777305. The cubic root of 28463375 is about 305.3248353194.

The spelling of 28463375 in words is "twenty-eight million, four hundred sixty-three thousand, three hundred seventy-five".