1996388352 has 144 divisors (see below), whose sum is σ = 6590067120. Its totient is φ = 570359808.

The previous prime is 1996388351. The next prime is 1996388357. The reversal of 1996388352 is 2538836991.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996388351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121288 + ... + 136760.

It is an arithmetic number, because the mean of its divisors is an integer number (45764355).

Almost surely, 2^1996388352 is an apocalyptic number.

1996388352 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 1996388352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3295033560).

1996388352 is an abundant number, since it is smaller than the sum of its proper divisors (4593678768).

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

1996388352 is a wasteful number, since it uses less digits than its factorization.

1996388352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15508 (or 15485 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 1996388352 is about 44680.9618517775. The cubic root of 1996388352 is about 1259.1621943682.

The spelling of 1996388352 in words is "one billion, nine hundred ninety-six million, three hundred eighty-eight thousand, three hundred fifty-two".