1487806 has 8 divisors (see below), whose sum is σ = 2363040. Its totient is φ = 700128.

The previous prime is 1487797. The next prime is 1487809. The reversal of 1487806 is 6087841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 43759 = 1487806 / (1 + 4 + 8 + 7 + 8 + 0 + 6).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487809) 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, 21846 + ... + 21913.

It is an arithmetic number, because the mean of its divisors is an integer number (295380).

2^1487806 is an apocalyptic number.

1487806 is a deficient number, since it is larger than the sum of its proper divisors (875234).

1487806 is a wasteful number, since it uses less digits than its factorization.

1487806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43778.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1487806 is about 1219.7565330835. The cubic root of 1487806 is about 114.1603877651.

The spelling of 1487806 in words is "one million, four hundred eighty-seven thousand, eight hundred six".