1388498112 has 336 divisors, whose sum is σ = 4497059840. Its totient is φ = 423263232.

The previous prime is 1388498101. The next prime is 1388498117. The reversal of 1388498112 is 2118948831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388498117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10932993 + ... + 10933119.

Almost surely, 2^1388498112 is an apocalyptic number.

1388498112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1388498112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248529920).

1388498112 is an abundant number, since it is smaller than the sum of its proper divisors (3108561728).

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

1388498112 is a wasteful number, since it uses less digits than its factorization.

1388498112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 188 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 1388498112 is about 37262.5564340398. The cubic root of 1388498112 is about 1115.6169340848.

It can be divided in two parts, 1388 and 498112, that added together give a triangular number (499500 = T₉₉₉).

The spelling of 1388498112 in words is "one billion, three hundred eighty-eight million, four hundred ninety-eight thousand, one hundred twelve".