1493033998 has 4 divisors (see below), whose sum is σ = 2239551000. Its totient is φ = 746516998.

The previous prime is 1493033977. The next prime is 1493034017. The reversal of 1493033998 is 8993303941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8993303941 = 29 ⋅310113929.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373258498 + ... + 373258501.

It is an arithmetic number, because the mean of its divisors is an integer number (559887750).

Almost surely, 2^1493033998 is an apocalyptic number.

1493033998 is a deficient number, since it is larger than the sum of its proper divisors (746517002).

1493033998 is an equidigital number, since it uses as much as digits as its factorization.

1493033998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746517001.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 1493033998 is about 38639.7981102386. The cubic root of 1493033998 is about 1142.9394742131.

The spelling of 1493033998 in words is "one billion, four hundred ninety-three million, thirty-three thousand, nine hundred ninety-eight".