988605398 has 8 divisors (see below), whose sum is σ = 1617717960. Its totient is φ = 449366080.

The previous prime is 988605367. The next prime is 988605413. The reversal of 988605398 is 893506889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22468283 + ... + 22468326.

It is an arithmetic number, because the mean of its divisors is an integer number (202214745).

Almost surely, 2^988605398 is an apocalyptic number.

988605398 is a deficient number, since it is larger than the sum of its proper divisors (629112562).

988605398 is a wasteful number, since it uses less digits than its factorization.

988605398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44936622.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The square root of 988605398 is about 31442.0959543094. The cubic root of 988605398 is about 996.1872809820.

The spelling of 988605398 in words is "nine hundred eighty-eight million, six hundred five thousand, three hundred ninety-eight".