4903945 has 8 divisors (see below), whose sum is σ = 6140736. Its totient is φ = 3752496.

The previous prime is 4903909. The next prime is 4903949. The reversal of 4903945 is 5493094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4903945 - 2⁹ = 4903433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4903945.

It is not an unprimeable number, because it can be changed into a prime (4903949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21207 + ... + 21436.

It is an arithmetic number, because the mean of its divisors is an integer number (767592).

Almost surely, 2^4903945 is an apocalyptic number.

It is an amenable number.

4903945 is a deficient number, since it is larger than the sum of its proper divisors (1236791).

4903945 is a wasteful number, since it uses less digits than its factorization.

4903945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42671.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4903945 is about 2214.4852675057. The cubic root of 4903945 is about 169.8954951707.

The spelling of 4903945 in words is "four million, nine hundred three thousand, nine hundred forty-five".