4993947 has 16 divisors (see below), whose sum is σ = 8455680. Its totient is φ = 2853576.

The previous prime is 4993943. The next prime is 4993949. The reversal of 4993947 is 7493994.

It is not a de Polignac number, because 4993947 - 2² = 4993943 is a prime.

4993947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4993943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13023 + ... + 13400.

It is an arithmetic number, because the mean of its divisors is an integer number (528480).

Almost surely, 2^4993947 is an apocalyptic number.

4993947 is a deficient number, since it is larger than the sum of its proper divisors (3461733).

4993947 is a wasteful number, since it uses less digits than its factorization.

4993947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26439 (or 26433 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 4993947 is about 2234.7140756705. The cubic root of 4993947 is about 170.9285635745.

The spelling of 4993947 in words is "four million, nine hundred ninety-three thousand, nine hundred forty-seven".