28146360 has 64 divisors (see below), whose sum is σ = 92119680. Its totient is φ = 6823040.

The previous prime is 28146359. The next prime is 28146367. The reversal of 28146360 is 6364182.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28146367) 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, 9342 + ... + 11981.

It is an arithmetic number, because the mean of its divisors is an integer number (1439370).

Almost surely, 2^28146360 is an apocalyptic number.

28146360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28146360 is an abundant number, since it is smaller than the sum of its proper divisors (63973320).

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

28146360 is a wasteful number, since it uses less digits than its factorization.

28146360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21348 (or 21344 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 28146360 is about 5305.3143167959. The cubic root of 28146360 is about 304.1870674584.

The spelling of 28146360 in words is "twenty-eight million, one hundred forty-six thousand, three hundred sixty".