988213944 has 32 divisors (see below), whose sum is σ = 2615861520. Its totient is φ = 310027776.

The previous prime is 988213943. The next prime is 988213949. The reversal of 988213944 is 449312889.

It is a junction number, because it is equal to n+sod(n) for n = 988213893 and 988213902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988213943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210639 + ... + 1211454.

Almost surely, 2^988213944 is an apocalyptic number.

It is an amenable number.

988213944 is an abundant number, since it is smaller than the sum of its proper divisors (1627647576).

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

988213944 is a wasteful number, since it uses less digits than its factorization.

988213944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422119 (or 2422115 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 988213944 is about 31435.8703394705. The cubic root of 988213944 is about 996.0557782346.

The spelling of 988213944 in words is "nine hundred eighty-eight million, two hundred thirteen thousand, nine hundred forty-four".