5003947 has 4 divisors (see below), whose sum is σ = 5388880. Its totient is φ = 4619016.

The previous prime is 5003923. The next prime is 5003951. The reversal of 5003947 is 7493005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5003947 - 2⁷ = 5003819 is a prime.

It is a Duffinian number.

5003947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5009947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192447 + ... + 192472.

It is an arithmetic number, because the mean of its divisors is an integer number (1347220).

Almost surely, 2^5003947 is an apocalyptic number.

5003947 is a deficient number, since it is larger than the sum of its proper divisors (384933).

5003947 is a wasteful number, since it uses less digits than its factorization.

5003947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384932.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 5003947 is about 2236.9503794228. The cubic root of 5003947 is about 171.0425780002.

It can be divided in two parts, 50039 and 47, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 5003947 in words is "five million, three thousand, nine hundred forty-seven".