598987438 has 16 divisors (see below), whose sum is σ = 1028653920. Its totient is φ = 256254336.

The previous prime is 598987429. The next prime is 598987439. The reversal of 598987438 is 834789895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598987439) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 29631 + ... + 45562.

It is an arithmetic number, because the mean of its divisors is an integer number (64290870).

Almost surely, 2^598987438 is an apocalyptic number.

598987438 is a deficient number, since it is larger than the sum of its proper divisors (429666482).

598987438 is a wasteful number, since it uses less digits than its factorization.

598987438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75771.

The product of its digits is 17418240, while the sum is 61.

The square root of 598987438 is about 24474.2198649926. The cubic root of 598987438 is about 842.9579382254.

It can be divided in two parts, 598 and 987438, that added together give a square (988036 = 994²).

The spelling of 598987438 in words is "five hundred ninety-eight million, nine hundred eighty-seven thousand, four hundred thirty-eight".