2148764 has 6 divisors (see below), whose sum is σ = 3760344. Its totient is φ = 1074380.

The previous prime is 2148761. The next prime is 2148781. The reversal of 2148764 is 4678412.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 4 + 8³ + 7³ + 6⁶ + 4⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2148764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268592 + ... + 268599.

It is an arithmetic number, because the mean of its divisors is an integer number (626724).

2^2148764 is an apocalyptic number.

It is an amenable number.

2148764 is a deficient number, since it is larger than the sum of its proper divisors (1611580).

2148764 is a wasteful number, since it uses less digits than its factorization.

2148764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537195 (or 537193 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 2148764 is about 1465.8662967679. The cubic root of 2148764 is about 129.0415506238.

The spelling of 2148764 in words is "two million, one hundred forty-eight thousand, seven hundred sixty-four".