4997905 has 16 divisors (see below), whose sum is σ = 6605568. Its totient is φ = 3630000.

The previous prime is 4997899. The next prime is 4997917. The reversal of 4997905 is 5097994.

It is not a de Polignac number, because 4997905 - 2⁹ = 4997393 is a prime.

It is a Duffinian number.

4997905 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6280 + ... + 7030.

It is an arithmetic number, because the mean of its divisors is an integer number (412848).

Almost surely, 2^4997905 is an apocalyptic number.

It is an amenable number.

4997905 is a deficient number, since it is larger than the sum of its proper divisors (1607663).

4997905 is an equidigital number, since it uses as much as digits as its factorization.

4997905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 4997905 is about 2235.5994721774. The cubic root of 4997905 is about 170.9737086672.

The spelling of 4997905 in words is "four million, nine hundred ninety-seven thousand, nine hundred five".