3629947 has 2 divisors, whose sum is σ = 3629948. Its totient is φ = 3629946.

The previous prime is 3629939. The next prime is 3629953. The reversal of 3629947 is 7499263.

It is a strong prime.

It is an emirp because it is prime and its reverse (7499263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3629947 - 2³ = 3629939 is a prime.

It is not a weakly prime, because it can be changed into another prime (3629987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814973 + 1814974.

It is an arithmetic number, because the mean of its divisors is an integer number (1814974).

Almost surely, 2^3629947 is an apocalyptic number.

3629947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3629947 is an equidigital number, since it uses as much as digits as its factorization.

3629947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 3629947 is about 1905.2419793821. The cubic root of 3629947 is about 153.6856888370.

The spelling of 3629947 in words is "three million, six hundred twenty-nine thousand, nine hundred forty-seven".