4051312 has 40 divisors (see below), whose sum is σ = 8347680. Its totient is φ = 1900800.

The previous prime is 4051309. The next prime is 4051337. The reversal of 4051312 is 2131504.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a d-powerful number, because it can be written as 4⁵ + 0 + 5⁹ + 1 + 3² + 1 + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37114 + ... + 37222.

It is an arithmetic number, because the mean of its divisors is an integer number (208692).

Almost surely, 2^4051312 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 4051312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173840).

4051312 is an abundant number, since it is smaller than the sum of its proper divisors (4296368).

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

4051312 is a wasteful number, since it uses less digits than its factorization.

4051312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4051312 is about 2012.7871223753. The cubic root of 4051312 is about 159.4159959640.

Adding to 4051312 its reverse (2131504), we get a palindrome (6182816).

The spelling of 4051312 in words is "four million, fifty-one thousand, three hundred twelve".