2620849 has 16 divisors (see below), whose sum is σ = 3309696. Its totient is φ = 2016000.

The previous prime is 2620847. The next prime is 2620883. The reversal of 2620849 is 9480262.

It is not a de Polignac number, because 2620849 - 2¹ = 2620847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2620849.

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 15 ways as a sum of consecutive naturals, for example, 7609 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (206856).

2^2620849 is an apocalyptic number.

It is an amenable number.

2620849 is a deficient number, since it is larger than the sum of its proper divisors (688847).

2620849 is a wasteful number, since it uses less digits than its factorization.

2620849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2620849 is about 1618.9036413573. The cubic root of 2620849 is about 137.8734574781.

The spelling of 2620849 in words is "two million, six hundred twenty thousand, eight hundred forty-nine".