1603023398 has 16 divisors (see below), whose sum is σ = 2555673120. Its totient is φ = 751491456.

The previous prime is 1603023397. The next prime is 1603023403. The reversal of 1603023398 is 8933203061.

It is a super-4 number, since 4×1603023398⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603023397) 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, 80693 + ... + 98576.

It is an arithmetic number, because the mean of its divisors is an integer number (159729570).

Almost surely, 2^1603023398 is an apocalyptic number.

1603023398 is a deficient number, since it is larger than the sum of its proper divisors (952649722).

1603023398 is a wasteful number, since it uses less digits than its factorization.

1603023398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179551.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1603023398 is about 40037.7746384586. The cubic root of 1603023398 is about 1170.3433375212.

The spelling of 1603023398 in words is "one billion, six hundred three million, twenty-three thousand, three hundred ninety-eight".