1338540 has 48 divisors (see below), whose sum is σ = 4284672. Its totient is φ = 305856.

The previous prime is 1338539. The next prime is 1338551. The reversal of 1338540 is 458331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (89264).

2^1338540 is an apocalyptic number.

1338540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338540 is an abundant number, since it is smaller than the sum of its proper divisors (2946132).

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

1338540 is a wasteful number, since it uses less digits than its factorization.

1338540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1338540 is about 1156.9528944603. The cubic root of 1338540 is about 110.2073225020.

The spelling of 1338540 in words is "one million, three hundred thirty-eight thousand, five hundred forty".