2049985 has 16 divisors (see below), whose sum is σ = 2889216. Its totient is φ = 1366848.

The previous prime is 2049977. The next prime is 2049991. The reversal of 2049985 is 5899402.

2049985 = T₁₃₄ + T₁₃₅ + ... + T₂₄₄.

It is not a de Polignac number, because 2049985 - 2³ = 2049977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (180576).

2^2049985 is an apocalyptic number.

It is an amenable number.

2049985 is a deficient number, since it is larger than the sum of its proper divisors (839231).

2049985 is a wasteful number, since it uses less digits than its factorization.

2049985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2049985 is about 1431.7768680908. The cubic root of 2049985 is about 127.0330994389.

It can be divided in two parts, 20 and 49985, that added together give a palindrome (50005).

The spelling of 2049985 in words is "two million, forty-nine thousand, nine hundred eighty-five".