30498983 has 2 divisors, whose sum is σ = 30498984. Its totient is φ = 30498982.

The previous prime is 30498953. The next prime is 30498991. The reversal of 30498983 is 38989403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30498983 - 2¹² = 30494887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30498913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15249491 + 15249492.

It is an arithmetic number, because the mean of its divisors is an integer number (15249492).

Almost surely, 2^30498983 is an apocalyptic number.

30498983 is a deficient number, since it is larger than the sum of its proper divisors (1).

30498983 is an equidigital number, since it uses as much as digits as its factorization.

30498983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 30498983 is about 5522.5884329724. The cubic root of 30498983 is about 312.4365157441.

The spelling of 30498983 in words is "thirty million, four hundred ninety-eight thousand, nine hundred eighty-three".