988391376 has 160 divisors (see below), whose sum is σ = 3253958400. Its totient is φ = 281387520.

The previous prime is 988391291. The next prime is 988391389. The reversal of 988391376 is 673193889.

It is a super-4 number, since 4×988391376⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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 in 31 ways as a sum of consecutive naturals, for example, 1393710 + ... + 1394418.

It is an arithmetic number, because the mean of its divisors is an integer number (20337240).

Almost surely, 2^988391376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988391376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626979200).

988391376 is an abundant number, since it is smaller than the sum of its proper divisors (2265567024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

988391376 is a wasteful number, since it uses less digits than its factorization.

988391376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1182 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 988391376 is about 31438.6923392179. The cubic root of 988391376 is about 996.1153879961.

The spelling of 988391376 in words is "nine hundred eighty-eight million, three hundred ninety-one thousand, three hundred seventy-six".