1606984747 has 2 divisors, whose sum is σ = 1606984748. Its totient is φ = 1606984746.

The previous prime is 1606984681. The next prime is 1606984759. The reversal of 1606984747 is 7474896061.

It is a strong prime.

It is an emirp because it is prime and its reverse (7474896061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606984747 - 2¹⁹ = 1606460459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1606984694 and 1606984703.

It is not a weakly prime, because it can be changed into another prime (1606984787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803492373 + 803492374.

It is an arithmetic number, because the mean of its divisors is an integer number (803492374).

Almost surely, 2^1606984747 is an apocalyptic number.

1606984747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606984747 is an equidigital number, since it uses as much as digits as its factorization.

1606984747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 1606984747 is about 40087.2142584141. The cubic root of 1606984747 is about 1171.3065850007.

The spelling of 1606984747 in words is "one billion, six hundred six million, nine hundred eighty-four thousand, seven hundred forty-seven".