4929905 has 4 divisors (see below), whose sum is σ = 5915892. Its totient is φ = 3943920.

The previous prime is 4929893. The next prime is 4929919. The reversal of 4929905 is 5099294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5099294 = 2 ⋅2549647.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 2053489 = 1696^2 + 1433^2 .

It is not a de Polignac number, because 4929905 - 2¹⁶ = 4864369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492986 + ... + 492995.

It is an arithmetic number, because the mean of its divisors is an integer number (1478973).

Almost surely, 2^4929905 is an apocalyptic number.

It is an amenable number.

4929905 is a deficient number, since it is larger than the sum of its proper divisors (985987).

4929905 is an equidigital number, since it uses as much as digits as its factorization.

4929905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985986.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 4929905 is about 2220.3389380903. The cubic root of 4929905 is about 170.1947594887.

The spelling of 4929905 in words is "four million, nine hundred twenty-nine thousand, nine hundred five".