1998083234 has 16 divisors (see below), whose sum is σ = 3429976128. Its totient is φ = 855148752.

The previous prime is 1998083233. The next prime is 1998083273. The reversal of 1998083234 is 4323808991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1998083233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87092 + ... + 107615.

It is an arithmetic number, because the mean of its divisors is an integer number (214373508).

Almost surely, 2^1998083234 is an apocalyptic number.

1998083234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1998083234 is a deficient number, since it is larger than the sum of its proper divisors (1431892894).

1998083234 is a wasteful number, since it uses less digits than its factorization.

1998083234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195449.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1998083234 is about 44699.9243176093. The cubic root of 1998083234 is about 1259.5184256062.

The spelling of 1998083234 in words is "one billion, nine hundred ninety-eight million, eighty-three thousand, two hundred thirty-four".