3974563 has 2 divisors, whose sum is σ = 3974564. Its totient is φ = 3974562.

The previous prime is 3974539. The next prime is 3974567. The reversal of 3974563 is 3654793.

It is a strong prime.

It is an emirp because it is prime and its reverse (3654793) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3974563 is a prime.

It is not a weakly prime, because it can be changed into another prime (3974567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987281 + 1987282.

It is an arithmetic number, because the mean of its divisors is an integer number (1987282).

Almost surely, 2^3974563 is an apocalyptic number.

3974563 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974563 is an equidigital number, since it uses as much as digits as its factorization.

3974563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 3974563 is about 1993.6306077105. The cubic root of 3974563 is about 158.4029000549.

The spelling of 3974563 in words is "three million, nine hundred seventy-four thousand, five hundred sixty-three".