2049345 has 12 divisors (see below), whose sum is σ = 3552276. Its totient is φ = 1092960.

The previous prime is 2049331. The next prime is 2049347. The reversal of 2049345 is 5439402.

It can be written as a sum of positive squares in 2 ways, for example, as 400689 + 1648656 = 633^2 + 1284^2 .

It is not a de Polignac number, because 2049345 - 2⁹ = 2048833 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹⁵ + 0 + 4³ + 9⁵ + 3⁵ + 4⁶ + 5⁹ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2049347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22726 + ... + 22815.

It is an arithmetic number, because the mean of its divisors is an integer number (296023).

2^2049345 is an apocalyptic number.

It is an amenable number.

2049345 is a deficient number, since it is larger than the sum of its proper divisors (1502931).

2049345 is a wasteful number, since it uses less digits than its factorization.

2049345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45552 (or 45549 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2049345 is about 1431.5533521319. The cubic root of 2049345 is about 127.0198782616.

The spelling of 2049345 in words is "two million, forty-nine thousand, three hundred forty-five".