2996405 has 4 divisors (see below), whose sum is σ = 3595692. Its totient is φ = 2397120.

The previous prime is 2996393. The next prime is 2996419. The reversal of 2996405 is 5046992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 2531281 = 682^2 + 1591^2 .

It is not a de Polignac number, because 2996405 - 2⁶ = 2996341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299636 + ... + 299645.

It is an arithmetic number, because the mean of its divisors is an integer number (898923).

2^2996405 is an apocalyptic number.

It is an amenable number.

2996405 is a deficient number, since it is larger than the sum of its proper divisors (599287).

2996405 is an equidigital number, since it uses as much as digits as its factorization.

2996405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599286.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2996405 is about 1731.0127093699. The cubic root of 2996405 is about 144.1673241456.

The spelling of 2996405 in words is "two million, nine hundred ninety-six thousand, four hundred five".