1487040 has 56 divisors (see below), whose sum is σ = 4724400. Its totient is φ = 396288.

The previous prime is 1487027. The next prime is 1487051. The reversal of 1487040 is 407841.

It is a super-2 number, since 2×1487040² = 4422575923200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1487040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186 + ... + 1734.

2^1487040 is an apocalyptic number.

1487040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362200).

1487040 is an abundant number, since it is smaller than the sum of its proper divisors (3237360).

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

1487040 is a wasteful number, since it uses less digits than its factorization.

1487040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1487040 is about 1219.4424955692. The cubic root of 1487040 is about 114.1407924978.

The spelling of 1487040 in words is "one million, four hundred eighty-seven thousand, forty".