988347381 has 16 divisors (see below), whose sum is σ = 1519384704. Its totient is φ = 559770624.

The previous prime is 988347379. The next prime is 988347383. The reversal of 988347381 is 183743889.

It is an interprime number because it is at equal distance from previous prime (988347379) and next prime (988347383).

It is not a de Polignac number, because 988347381 - 2¹ = 988347379 is a prime.

It is a super-2 number, since 2×988347381² = 1953661091059118322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988347383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205876 + ... + 210621.

It is an arithmetic number, because the mean of its divisors is an integer number (94961544).

Almost surely, 2^988347381 is an apocalyptic number.

It is an amenable number.

988347381 is a deficient number, since it is larger than the sum of its proper divisors (531037323).

988347381 is a wasteful number, since it uses less digits than its factorization.

988347381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416620.

The product of its digits is 1161216, while the sum is 51.

The square root of 988347381 is about 31437.9926362992. The cubic root of 988347381 is about 996.1006081738.

The spelling of 988347381 in words is "nine hundred eighty-eight million, three hundred forty-seven thousand, three hundred eighty-one".