4619947 has 2 divisors, whose sum is σ = 4619948. Its totient is φ = 4619946.

The previous prime is 4619929. The next prime is 4619969. The reversal of 4619947 is 7499164.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4619947 - 2¹⁵ = 4587179 is a prime.

It is a Chen prime.

4619947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4619647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309973 + 2309974.

It is an arithmetic number, because the mean of its divisors is an integer number (2309974).

Almost surely, 2^4619947 is an apocalyptic number.

4619947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4619947 is an equidigital number, since it uses as much as digits as its factorization.

4619947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 4619947 is about 2149.4061970693. The cubic root of 4619947 is about 166.5503940140.

The spelling of 4619947 in words is "four million, six hundred nineteen thousand, nine hundred forty-seven".