1487538 has 48 divisors (see below), whose sum is σ = 3601440. Its totient is φ = 454896.

The previous prime is 1487527. The next prime is 1487539. The reversal of 1487538 is 8357841.

It is not an unprimeable number, because it can be changed into a prime (1487539) 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 23 ways as a sum of consecutive naturals, for example, 9045 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (75030).

2^1487538 is an apocalyptic number.

1487538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1487538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800720).

1487538 is an abundant number, since it is smaller than the sum of its proper divisors (2113902).

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

1487538 is a wasteful number, since it uses less digits than its factorization.

1487538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 181 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1487538 is about 1219.6466701467. The cubic root of 1487538 is about 114.1535327448.

It can be divided in two parts, 1487 and 538, that added together give a square (2025 = 45²).

The spelling of 1487538 in words is "one million, four hundred eighty-seven thousand, five hundred thirty-eight".