4002312 has 64 divisors (see below), whose sum is σ = 10771200. Its totient is φ = 1235520.

The previous prime is 4002307. The next prime is 4002329. The reversal of 4002312 is 2132004.

It is a super-3 number, since 3×4002312³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 30487 + ... + 30617.

It is an arithmetic number, because the mean of its divisors is an integer number (168300).

Almost surely, 2^4002312 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 4002312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5385600).

4002312 is an abundant number, since it is smaller than the sum of its proper divisors (6768888).

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

4002312 is a wasteful number, since it uses less digits than its factorization.

4002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4002312 is about 2000.5779165031. The cubic root of 4002312 is about 158.7706832331.

Adding to 4002312 its reverse (2132004), we get a palindrome (6134316).

The spelling of 4002312 in words is "four million, two thousand, three hundred twelve".