2620843 has 8 divisors (see below), whose sum is σ = 2716560. Its totient is φ = 2526720.

The previous prime is 2620829. The next prime is 2620847. The reversal of 2620843 is 3480262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2620843 - 2⁵ = 2620811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2620847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3648 + ... + 4306.

It is an arithmetic number, because the mean of its divisors is an integer number (339570).

2^2620843 is an apocalyptic number.

2620843 is a deficient number, since it is larger than the sum of its proper divisors (95717).

2620843 is an equidigital number, since it uses as much as digits as its factorization.

2620843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2620843 is about 1618.9017882503. The cubic root of 2620843 is about 137.8733522652.

The spelling of 2620843 in words is "two million, six hundred twenty thousand, eight hundred forty-three".