2649773 has 12 divisors (see below), whose sum is σ = 3264732. Its totient is φ = 2136960.

The previous prime is 2649769. The next prime is 2649781. The reversal of 2649773 is 3779462.

It can be written as a sum of positive squares in 2 ways, for example, as 1044484 + 1605289 = 1022^2 + 1267^2 .

It is not a de Polignac number, because 2649773 - 2² = 2649769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649733) 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, 758 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (272061).

2^2649773 is an apocalyptic number.

It is an amenable number.

2649773 is a deficient number, since it is larger than the sum of its proper divisors (614959).

2649773 is a wasteful number, since it uses less digits than its factorization.

2649773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3205 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 2649773 is about 1627.8123356210. The cubic root of 2649773 is about 138.3787989454.

The spelling of 2649773 in words is "two million, six hundred forty-nine thousand, seven hundred seventy-three".