2418621 has 8 divisors (see below), whose sum is σ = 3300000. Its totient is φ = 1574832.

The previous prime is 2418613. The next prime is 2418659. The reversal of 2418621 is 1268142.

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

It is not a de Polignac number, because 2418621 - 2³ = 2418613 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2418591 and 2418600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2418671) 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, 9246 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (412500).

2^2418621 is an apocalyptic number.

It is an amenable number.

2418621 is a deficient number, since it is larger than the sum of its proper divisors (881379).

2418621 is a wasteful number, since it uses less digits than its factorization.

2418621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18795.

The product of its digits is 768, while the sum is 24.

The square root of 2418621 is about 1555.1916280639. The cubic root of 2418621 is about 134.2319625243.

The spelling of 2418621 in words is "two million, four hundred eighteen thousand, six hundred twenty-one".