4939895 has 4 divisors (see below), whose sum is σ = 5927880. Its totient is φ = 3951912.

The previous prime is 4939861. The next prime is 4939901. The reversal of 4939895 is 5989394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5989394 = 2 ⋅2994697.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4939895 is a prime.

It is a super-2 number, since 2×4939895² = 48805125222050, which contains 22 as substring.

It is a congruent 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, 493985 + ... + 493994.

It is an arithmetic number, because the mean of its divisors is an integer number (1481970).

Almost surely, 2^4939895 is an apocalyptic number.

4939895 is a deficient number, since it is larger than the sum of its proper divisors (987985).

4939895 is an equidigital number, since it uses as much as digits as its factorization.

4939895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987984.

The product of its digits is 349920, while the sum is 47.

The square root of 4939895 is about 2222.5874560971. The cubic root of 4939895 is about 170.3096432762.

The spelling of 4939895 in words is "four million, nine hundred thirty-nine thousand, eight hundred ninety-five".