4002321306 has 16 divisors (see below), whose sum is σ = 8019954144. Its totient is φ = 1331555184.

The previous prime is 4002321299. The next prime is 4002321317. The reversal of 4002321306 is 6031232004.

It is a happy 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, 634581 + ... + 640856.

It is an arithmetic number, because the mean of its divisors is an integer number (501247134).

Almost surely, 2^4002321306 is an apocalyptic number.

4002321306 is an abundant number, since it is smaller than the sum of its proper divisors (4017632838).

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

4002321306 is a wasteful number, since it uses less digits than its factorization.

4002321306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275965.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4002321306 is about 63263.9020769348. The cubic root of 4002321306 is about 1587.7080628859.

The spelling of 4002321306 in words is "four billion, two million, three hundred twenty-one thousand, three hundred six".