2144764 has 6 divisors (see below), whose sum is σ = 3753344. Its totient is φ = 1072380.

The previous prime is 2144759. The next prime is 2144783. The reversal of 2144764 is 4674412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268092 + ... + 268099.

2^2144764 is an apocalyptic number.

It is an amenable number.

2144764 is a deficient number, since it is larger than the sum of its proper divisors (1608580).

2144764 is a wasteful number, since it uses less digits than its factorization.

2144764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536195 (or 536193 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 2144764 is about 1464.5012802999. The cubic root of 2144764 is about 128.9614290870.

The spelling of 2144764 in words is "two million, one hundred forty-four thousand, seven hundred sixty-four".