2128485 has 24 divisors (see below), whose sum is σ = 3625056. Its totient is φ = 1066240.

The previous prime is 2128481. The next prime is 2128487. The reversal of 2128485 is 5848212.

It is not a de Polignac number, because 2128485 - 2² = 2128481 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4090 + ... + 4580.

It is an arithmetic number, because the mean of its divisors is an integer number (151044).

2^2128485 is an apocalyptic number.

It is an amenable number.

2128485 is a deficient number, since it is larger than the sum of its proper divisors (1496571).

2128485 is a wasteful number, since it uses less digits than its factorization.

2128485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 516 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2128485 is about 1458.9328291597. The cubic root of 2128485 is about 128.6343228440.

The spelling of 2128485 in words is "two million, one hundred twenty-eight thousand, four hundred eighty-five".