11284540 has 12 divisors (see below), whose sum is σ = 23697576. Its totient is φ = 4513808.

The previous prime is 11284531. The next prime is 11284543. The reversal of 11284540 is 4548211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11284543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282094 + ... + 282133.

It is an arithmetic number, because the mean of its divisors is an integer number (1974798).

Almost surely, 2^11284540 is an apocalyptic number.

11284540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11284540 is an abundant number, since it is smaller than the sum of its proper divisors (12413036).

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

11284540 is a wasteful number, since it uses less digits than its factorization.

11284540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564236 (or 564234 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 11284540 is about 3359.2469394196. The cubic root of 11284540 is about 224.2993181852.

The spelling of 11284540 in words is "eleven million, two hundred eighty-four thousand, five hundred forty".