2401905 has 16 divisors (see below), whose sum is σ = 4192704. Its totient is φ = 1164480.

The previous prime is 2401897. The next prime is 2401939. The reversal of 2401905 is 5091042.

It is not a de Polignac number, because 2401905 - 2³ = 2401897 is a prime.

2401905 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7114 + ... + 7443.

It is an arithmetic number, because the mean of its divisors is an integer number (262044).

2^2401905 is an apocalyptic number.

It is an amenable number.

2401905 is a deficient number, since it is larger than the sum of its proper divisors (1790799).

2401905 is a wasteful number, since it uses less digits than its factorization.

2401905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14576.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2401905 is about 1549.8080526310. The cubic root of 2401905 is about 133.9220048082.

Adding to 2401905 its reverse (5091042), we get a palindrome (7492947).

It can be divided in two parts, 240 and 1905, that added together give a triangular number (2145 = T₆₅).

The spelling of 2401905 in words is "two million, four hundred one thousand, nine hundred five".