2148785 has 8 divisors (see below), whose sum is σ = 2587776. Its totient is φ = 1712880.

The previous prime is 2148781. The next prime is 2148791. The reversal of 2148785 is 5878412.

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

It is not a de Polignac number, because 2148785 - 2² = 2148781 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 4 + 8⁵ + 7⁵ + 8⁷ + 5 .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2148781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (323472).

2^2148785 is an apocalyptic number.

It is an amenable number.

2148785 is a deficient number, since it is larger than the sum of its proper divisors (438991).

2148785 is a wasteful number, since it uses less digits than its factorization.

2148785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543.

The product of its digits is 17920, while the sum is 35.

The square root of 2148785 is about 1465.8734597502. The cubic root of 2148785 is about 129.0419709993.

The spelling of 2148785 in words is "two million, one hundred forty-eight thousand, seven hundred eighty-five".