2428985 has 8 divisors (see below), whose sum is σ = 3139080. Its totient is φ = 1793664.

The previous prime is 2428931. The next prime is 2428991. The reversal of 2428985 is 5898242.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 2238016 = 437^2 + 1496^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2428985 - 2⁸ = 2428729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18620 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (392385).

2^2428985 is an apocalyptic number.

It is an amenable number.

2428985 is a deficient number, since it is larger than the sum of its proper divisors (710095).

2428985 is a wasteful number, since it uses less digits than its factorization.

2428985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37387.

The product of its digits is 46080, while the sum is 38.

The square root of 2428985 is about 1558.5201314067. The cubic root of 2428985 is about 134.4234211651.

The spelling of 2428985 in words is "two million, four hundred twenty-eight thousand, nine hundred eighty-five".