4023866946 has 64 divisors (see below), whose sum is σ = 8888870016. Its totient is φ = 1204224000.

The previous prime is 4023866839. The next prime is 4023866971. The reversal of 4023866946 is 6496683204.

It is a super-2 number, since 2×4023866946² = 32383010398222733832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4023866895 and 4023866904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512546 + ... + 2514146.

It is an arithmetic number, because the mean of its divisors is an integer number (138888594).

Almost surely, 2^4023866946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4023866946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4444435008).

4023866946 is an abundant number, since it is smaller than the sum of its proper divisors (4865003070).

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

4023866946 is a wasteful number, since it uses less digits than its factorization.

4023866946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 4023866946 is about 63433.9573572389. The cubic root of 4023866946 is about 1590.5519945707.

The spelling of 4023866946 in words is "four billion, twenty-three million, eight hundred sixty-six thousand, nine hundred forty-six".