2405955 has 8 divisors (see below), whose sum is σ = 3849552. Its totient is φ = 1283168.

The previous prime is 2405929. The next prime is 2405971. The reversal of 2405955 is 5595042.

It is a happy number.

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 2405955 - 2⁹ = 2405443 is a prime.

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, 80184 + ... + 80213.

It is an arithmetic number, because the mean of its divisors is an integer number (481194).

2^2405955 is an apocalyptic number.

2405955 is a deficient number, since it is larger than the sum of its proper divisors (1443597).

2405955 is a wasteful number, since it uses less digits than its factorization.

2405955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160405.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2405955 is about 1551.1141157246. The cubic root of 2405955 is about 133.9972339223.

Subtracting from 2405955 its product of nonzero digits (9000), we obtain a triangular number (2396955 = T₂₁₈₉).

The spelling of 2405955 in words is "two million, four hundred five thousand, nine hundred fifty-five".