2080621 has 8 divisors (see below), whose sum is σ = 2179224. Its totient is φ = 1984320.

The previous prime is 2080609. The next prime is 2080651. The reversal of 2080621 is 1260802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1102500 + 978121 = 1050^2 + 989^2 .

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

It is not a de Polignac number, because 2080621 - 2¹³ = 2072429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (272403).

2^2080621 is an apocalyptic number.

It is an amenable number.

2080621 is a deficient number, since it is larger than the sum of its proper divisors (98603).

2080621 is a wasteful number, since it uses less digits than its factorization.

2080621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2080621 is about 1442.4357871323. The cubic root of 2080621 is about 127.6627883515.

It can be divided in two parts, 2080 and 621, that added together give a triangular number (2701 = T₇₃).

The spelling of 2080621 in words is "two million, eighty thousand, six hundred twenty-one".