1456540 has 24 divisors (see below), whose sum is σ = 3220560. Its totient is φ = 551808.

The previous prime is 1456537. The next prime is 1456541. The reversal of 1456540 is 456541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456541) 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 7 ways as a sum of consecutive naturals, for example, 1537 + ... + 2296.

It is an arithmetic number, because the mean of its divisors is an integer number (134190).

2^1456540 is an apocalyptic number.

1456540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456540 is an abundant number, since it is smaller than the sum of its proper divisors (1764020).

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

1456540 is a wasteful number, since it uses less digits than its factorization.

1456540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1456540 is about 1206.8719898979. The cubic root of 1456540 is about 113.3550323696.

Subtracting from 1456540 its reverse (456541), we obtain a palindrome (999999).

The spelling of 1456540 in words is "one million, four hundred fifty-six thousand, five hundred forty".