4992405 has 32 divisors (see below), whose sum is σ = 8847360. Its totient is φ = 2383680.

The previous prime is 4992401. The next prime is 4992409. The reversal of 4992405 is 5042994.

4992405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4992401) and next prime (4992409).

It is not a de Polignac number, because 4992405 - 2² = 4992401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992401) 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 31 ways as a sum of consecutive naturals, for example, 12844 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (276480).

Almost surely, 2^4992405 is an apocalyptic number.

It is an amenable number.

4992405 is a deficient number, since it is larger than the sum of its proper divisors (3854955).

4992405 is a wasteful number, since it uses less digits than its factorization.

4992405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 4992405 is about 2234.3690384536. The cubic root of 4992405 is about 170.9109690093.

The spelling of 4992405 in words is "four million, nine hundred ninety-two thousand, four hundred five".