2401405 has 8 divisors (see below), whose sum is σ = 2892384. Its totient is φ = 1914000.

The previous prime is 2401393. The next prime is 2401409. The reversal of 2401405 is 5041042.

2401405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2401405 - 2¹⁵ = 2368637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (361548).

2^2401405 is an apocalyptic number.

It is an amenable number.

2401405 is a deficient number, since it is larger than the sum of its proper divisors (490979).

2401405 is a wasteful number, since it uses less digits than its factorization.

2401405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2401405 is about 1549.6467339365. The cubic root of 2401405 is about 133.9127114002.

Adding to 2401405 its reverse (5041042), we get a palindrome (7442447).

The spelling of 2401405 in words is "two million, four hundred one thousand, four hundred five".