2620144 has 20 divisors (see below), whose sum is σ = 5140296. Its totient is φ = 1293632.

The previous prime is 2620141. The next prime is 2620147. The reversal of 2620144 is 4410262.

It is an interprime number because it is at equal distance from previous prime (2620141) and next prime (2620147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342 + ... + 2314.

2^2620144 is an apocalyptic number.

It is an amenable number.

2620144 is a deficient number, since it is larger than the sum of its proper divisors (2520152).

2620144 is a wasteful number, since it uses less digits than its factorization.

2620144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2620144 is about 1618.6858867612. The cubic root of 2620144 is about 137.8610938631.

The spelling of 2620144 in words is "two million, six hundred twenty thousand, one hundred forty-four".