27283240 has 32 divisors (see below), whose sum is σ = 64620000. Its totient is φ = 10338624.

The previous prime is 27283189. The next prime is 27283247. The reversal of 27283240 is 4238272.

It is a junction number, because it is equal to n+sod(n) for n = 27283199 and 27283208.

It is not an unprimeable number, because it can be changed into a prime (27283247) 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, 17190 + ... + 18709.

It is an arithmetic number, because the mean of its divisors is an integer number (2019375).

Almost surely, 2^27283240 is an apocalyptic number.

27283240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27283240 is an abundant number, since it is smaller than the sum of its proper divisors (37336760).

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

27283240 is a wasteful number, since it uses less digits than its factorization.

27283240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35929 (or 35925 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 27283240 is about 5223.3360987017. The cubic root of 27283240 is about 301.0453900049.

The spelling of 27283240 in words is "twenty-seven million, two hundred eighty-three thousand, two hundred forty".