1382540 has 12 divisors (see below), whose sum is σ = 2903376. Its totient is φ = 553008.

The previous prime is 1382533. The next prime is 1382543. The reversal of 1382540 is 452831.

It is a super-2 number, since 2×1382540² = 3822833703200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382543) 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, 34544 + ... + 34583.

It is an arithmetic number, because the mean of its divisors is an integer number (241948).

2^1382540 is an apocalyptic number.

1382540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1382540 is an abundant number, since it is smaller than the sum of its proper divisors (1520836).

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

1382540 is a wasteful number, since it uses less digits than its factorization.

1382540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69136 (or 69134 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1382540 is about 1175.8146112377. The cubic root of 1382540 is about 111.4018924263.

The spelling of 1382540 in words is "one million, three hundred eighty-two thousand, five hundred forty".