2662621 has 8 divisors (see below), whose sum is σ = 2960384. Its totient is φ = 2378160.

The previous prime is 2662607. The next prime is 2662651. The reversal of 2662621 is 1262662.

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 2662621 - 2¹¹ = 2660573 is a prime.

It is a Duffinian number.

2662621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662601) 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, 2901 + ... + 3706.

It is an arithmetic number, because the mean of its divisors is an integer number (370048).

2^2662621 is an apocalyptic number.

It is an amenable number.

2662621 is a deficient number, since it is larger than the sum of its proper divisors (297763).

2662621 is a wasteful number, since it uses less digits than its factorization.

2662621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651.

The product of its digits is 1728, while the sum is 25.

The square root of 2662621 is about 1631.7539642973. The cubic root of 2662621 is about 138.6020916611.

The spelling of 2662621 in words is "two million, six hundred sixty-two thousand, six hundred twenty-one".