988401730 has 8 divisors (see below), whose sum is σ = 1779123132. Its totient is φ = 395360688.

The previous prime is 988401703. The next prime is 988401731. The reversal of 988401730 is 37104889.

It can be written as a sum of positive squares in 2 ways, for example, as 933241401 + 55160329 = 30549^2 + 7427^2 .

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

It is not an unprimeable number, because it can be changed into a prime (988401731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49420077 + ... + 49420096.

Almost surely, 2^988401730 is an apocalyptic number.

988401730 is a deficient number, since it is larger than the sum of its proper divisors (790721402).

988401730 is a wasteful number, since it uses less digits than its factorization.

988401730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98840180.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 988401730 is about 31438.8570084855. The cubic root of 988401730 is about 996.1188662885.

The spelling of 988401730 in words is "nine hundred eighty-eight million, four hundred one thousand, seven hundred thirty".