1648087 has 4 divisors (see below), whose sum is σ = 1883536. Its totient is φ = 1412640.

The previous prime is 1648081. The next prime is 1648181. The reversal of 1648087 is 7808461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1648087 - 2⁷ = 1647959 is a prime.

It is a Duffinian number.

1648087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648081) 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, 117714 + ... + 117727.

It is an arithmetic number, because the mean of its divisors is an integer number (470884).

2^1648087 is an apocalyptic number.

1648087 is a deficient number, since it is larger than the sum of its proper divisors (235449).

1648087 is an equidigital number, since it uses as much as digits as its factorization.

1648087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235448.

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

The square root of 1648087 is about 1283.7784076701. The cubic root of 1648087 is about 118.1208901830.

The spelling of 1648087 in words is "one million, six hundred forty-eight thousand, eighty-seven".