2662409 has 8 divisors (see below), whose sum is σ = 2794368. Its totient is φ = 2533680.

The previous prime is 2662399. The next prime is 2662453. The reversal of 2662409 is 9042662.

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 2662409 - 2¹⁶ = 2596873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2662459) 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, 974 + ... + 2504.

It is an arithmetic number, because the mean of its divisors is an integer number (349296).

2^2662409 is an apocalyptic number.

It is an amenable number.

2662409 is a deficient number, since it is larger than the sum of its proper divisors (131959).

2662409 is a wasteful number, since it uses less digits than its factorization.

2662409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2662409 is about 1631.6890022305. The cubic root of 2662409 is about 138.5984130273.

The spelling of 2662409 in words is "two million, six hundred sixty-two thousand, four hundred nine".