2467621 has 4 divisors (see below), whose sum is σ = 2657452. Its totient is φ = 2277792.

The previous prime is 2467613. The next prime is 2467637. The reversal of 2467621 is 1267642.

2467621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 1179396 = 1135^2 + 1086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2467621 - 2³ = 2467613 is a prime.

It is a Duffinian number.

2467621 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2467621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2467691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94896 + ... + 94921.

It is an arithmetic number, because the mean of its divisors is an integer number (664363).

2^2467621 is an apocalyptic number.

It is an amenable number.

2467621 is a deficient number, since it is larger than the sum of its proper divisors (189831).

2467621 is a wasteful number, since it uses less digits than its factorization.

2467621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189830.

The product of its digits is 4032, while the sum is 28.

The square root of 2467621 is about 1570.8663214927. The cubic root of 2467621 is about 135.1323986880.

The spelling of 2467621 in words is "two million, four hundred sixty-seven thousand, six hundred twenty-one".