28141700 has 36 divisors (see below), whose sum is σ = 61318992. Its totient is φ = 11210400.

The previous prime is 28141697. The next prime is 28141709. The reversal of 28141700 is 714182.

It is not an unprimeable number, because it can be changed into a prime (28141709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34295 + ... + 35105.

Almost surely, 2^28141700 is an apocalyptic number.

28141700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28141700 is an abundant number, since it is smaller than the sum of its proper divisors (33177292).

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

28141700 is a wasteful number, since it uses less digits than its factorization.

28141700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 28141700 is about 5304.8751163435. The cubic root of 28141700 is about 304.1702791423.

Adding to 28141700 its reverse (714182), we get a palindrome (28855882).

The spelling of 28141700 in words is "twenty-eight million, one hundred forty-one thousand, seven hundred".