2401855 has 8 divisors (see below), whose sum is σ = 2960352. Its totient is φ = 1869408.

The previous prime is 2401807. The next prime is 2401871. The reversal of 2401855 is 5581042.

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 2401855 - 2⁷ = 2401727 is a prime.

It is a Duffinian number.

2401855 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6307 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (370044).

2^2401855 is an apocalyptic number.

2401855 is a deficient number, since it is larger than the sum of its proper divisors (558497).

2401855 is a wasteful number, since it uses less digits than its factorization.

2401855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2401855 is about 1549.7919215172. The cubic root of 2401855 is about 133.9210755254.

Adding to 2401855 its reverse (5581042), we get a palindrome (7982897).

The spelling of 2401855 in words is "two million, four hundred one thousand, eight hundred fifty-five".