2466621 has 6 divisors (see below), whose sum is σ = 3562910. Its totient is φ = 1644408.

The previous prime is 2466619. The next prime is 2466623. The reversal of 2466621 is 1266642.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2466619) and next prime (2466623).

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 171396 = 1515^2 + 414^2 .

It is not a de Polignac number, because 2466621 - 2¹ = 2466619 is a prime.

It is a Duffinian number.

2466621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2466623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137026 + ... + 137043.

2^2466621 is an apocalyptic number.

It is an amenable number.

2466621 is a deficient number, since it is larger than the sum of its proper divisors (1096289).

2466621 is a wasteful number, since it uses less digits than its factorization.

2466621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274075 (or 274072 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2466621 is about 1570.5479935360. The cubic root of 2466621 is about 135.1141421490.

The spelling of 2466621 in words is "two million, four hundred sixty-six thousand, six hundred twenty-one".