2655438 has 8 divisors (see below), whose sum is σ = 5310888. Its totient is φ = 885144.

The previous prime is 2655437. The next prime is 2655439. The reversal of 2655438 is 8345562.

It is an interprime number because it is at equal distance from previous prime (2655437) and next prime (2655439).

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

2655438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2655399 and 2655408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221281 + ... + 221292.

It is an arithmetic number, because the mean of its divisors is an integer number (663861).

2^2655438 is an apocalyptic number.

2655438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2655438 is a wasteful number, since it uses less digits than its factorization.

2655438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442578.

The product of its digits is 28800, while the sum is 33.

The square root of 2655438 is about 1629.5514720315. The cubic root of 2655438 is about 138.4773429728.

The spelling of 2655438 in words is "two million, six hundred fifty-five thousand, four hundred thirty-eight".