4394636946 has 24 divisors (see below), whose sum is σ = 10881958464. Its totient is φ = 1255610520.

The previous prime is 4394636929. The next prime is 4394636951. The reversal of 4394636946 is 6496364934.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4394636892 and 4394636901.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17438910 + ... + 17439161.

It is an arithmetic number, because the mean of its divisors is an integer number (453414936).

Almost surely, 2^4394636946 is an apocalyptic number.

4394636946 is an abundant number, since it is smaller than the sum of its proper divisors (6487321518).

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

4394636946 is a wasteful number, since it uses less digits than its factorization.

4394636946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34878086 (or 34878083 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 54.

The square root of 4394636946 is about 66292.0579406010. The cubic root of 4394636946 is about 1637.9765032164.

The spelling of 4394636946 in words is "four billion, three hundred ninety-four million, six hundred thirty-six thousand, nine hundred forty-six".