988621364 has 12 divisors (see below), whose sum is σ = 1746257184. Its totient is φ = 489690744.

The previous prime is 988621363. The next prime is 988621367. The reversal of 988621364 is 463126889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988621363) 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, 1154504 + ... + 1155359.

It is an arithmetic number, because the mean of its divisors is an integer number (145521432).

Almost surely, 2^988621364 is an apocalyptic number.

It is an amenable number.

988621364 is a deficient number, since it is larger than the sum of its proper divisors (757635820).

988621364 is a wasteful number, since it uses less digits than its factorization.

988621364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309974 (or 2309972 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 988621364 is about 31442.3498485721. The cubic root of 988621364 is about 996.1926437690.

The spelling of 988621364 in words is "nine hundred eighty-eight million, six hundred twenty-one thousand, three hundred sixty-four".