16498939 has 2 divisors, whose sum is σ = 16498940. Its totient is φ = 16498938.

The previous prime is 16498931. The next prime is 16498969. The reversal of 16498939 is 93989461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16498939 - 2³ = 16498931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16498892 and 16498901.

It is not a weakly prime, because it can be changed into another prime (16498931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249469 + 8249470.

It is an arithmetic number, because the mean of its divisors is an integer number (8249470).

Almost surely, 2^16498939 is an apocalyptic number.

16498939 is a deficient number, since it is larger than the sum of its proper divisors (1).

16498939 is an equidigital number, since it uses as much as digits as its factorization.

16498939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 16498939 is about 4061.8886001465. Note that the first 3 decimals coincide. The cubic root of 16498939 is about 254.5767115644.

The spelling of 16498939 in words is "sixteen million, four hundred ninety-eight thousand, nine hundred thirty-nine".