1415540 has 24 divisors (see below), whose sum is σ = 3397632. Its totient is φ = 485280.

The previous prime is 1415507. The next prime is 1415567. The reversal of 1415540 is 455141.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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, 4916 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (141568).

2^1415540 is an apocalyptic number.

1415540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1415540 is an abundant number, since it is smaller than the sum of its proper divisors (1982092).

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

1415540 is a wasteful number, since it uses less digits than its factorization.

1415540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127 (or 10125 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1415540 is about 1189.7646826159. The cubic root of 1415540 is about 112.2812870064.

The spelling of 1415540 in words is "one million, four hundred fifteen thousand, five hundred forty".