2402005 has 8 divisors (see below), whose sum is σ = 3007872. Its totient is φ = 1837968.

The previous prime is 2401991. The next prime is 2402009. The reversal of 2402005 is 5002042.

It is a happy number.

2402005 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 a cyclic number.

It is not a de Polignac number, because 2402005 - 2¹⁹ = 1877717 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 (2402009) 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, 10329 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (375984).

2^2402005 is an apocalyptic number.

It is an amenable number.

2402005 is a deficient number, since it is larger than the sum of its proper divisors (605867).

2402005 is a wasteful number, since it uses less digits than its factorization.

2402005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 2402005 is about 1549.8403143550. The cubic root of 2402005 is about 133.9238633350.

Adding to 2402005 its reverse (5002042), we get a palindrome (7404047).

The spelling of 2402005 in words is "two million, four hundred two thousand, five".