1998392302 has 4 divisors (see below), whose sum is σ = 2997588456. Its totient is φ = 999196150.

The previous prime is 1998392287. The next prime is 1998392327. The reversal of 1998392302 is 2032938991.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499598074 + ... + 499598077.

It is an arithmetic number, because the mean of its divisors is an integer number (749397114).

Almost surely, 2^1998392302 is an apocalyptic number.

1998392302 is a deficient number, since it is larger than the sum of its proper divisors (999196154).

1998392302 is an equidigital number, since it uses as much as digits as its factorization.

1998392302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999196153.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 1998392302 is about 44703.3813262487. The cubic root of 1998392302 is about 1259.5833639705.

The spelling of 1998392302 in words is "one billion, nine hundred ninety-eight million, three hundred ninety-two thousand, three hundred two".