3201421344 has 96 divisors (see below), whose sum is σ = 9178251264. Its totient is φ = 969012480.

The previous prime is 3201421319. The next prime is 3201421441. The reversal of 3201421344 is 4431241023.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755217 + ... + 1757039.

It is an arithmetic number, because the mean of its divisors is an integer number (95606784).

Almost surely, 2^3201421344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3201421344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4589125632).

3201421344 is an abundant number, since it is smaller than the sum of its proper divisors (5976829920).

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

3201421344 is a wasteful number, since it uses less digits than its factorization.

3201421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3201421344 is about 56581.1041249638. The cubic root of 3201421344 is about 1473.8307453308.

Adding to 3201421344 its reverse (4431241023), we get a palindrome (7632662367).

The spelling of 3201421344 in words is "three billion, two hundred one million, four hundred twenty-one thousand, three hundred forty-four".