2654409 has 4 divisors (see below), whose sum is σ = 3539216. Its totient is φ = 1769604.

The previous prime is 2654401. The next prime is 2654447. The reversal of 2654409 is 9044562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2654409 - 2³ = 2654401 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2654401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442399 + ... + 442404.

It is an arithmetic number, because the mean of its divisors is an integer number (884804).

2^2654409 is an apocalyptic number.

It is an amenable number.

2654409 is a deficient number, since it is larger than the sum of its proper divisors (884807).

2654409 is an equidigital number, since it uses as much as digits as its factorization.

2654409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884806.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2654409 is about 1629.2357103869. The cubic root of 2654409 is about 138.4594536961.

The spelling of 2654409 in words is "two million, six hundred fifty-four thousand, four hundred nine".