4239286644 has 24 divisors (see below), whose sum is σ = 10059325920. Its totient is φ = 1389144544.

The previous prime is 4239286637. The next prime is 4239286657. The reversal of 4239286644 is 4466829324.

It is a junction number, because it is equal to n+sod(n) for n = 4239286593 and 4239286602.

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, 2993139 + ... + 2994554.

It is an arithmetic number, because the mean of its divisors is an integer number (419138580).

Almost surely, 2^4239286644 is an apocalyptic number.

It is an amenable number.

4239286644 is an abundant number, since it is smaller than the sum of its proper divisors (5820039276).

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

4239286644 is a wasteful number, since it uses less digits than its factorization.

4239286644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987759 (or 5987757 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The square root of 4239286644 is about 65109.8045151420. The cubic root of 4239286644 is about 1618.4436920681.

The spelling of 4239286644 in words is "four billion, two hundred thirty-nine million, two hundred eighty-six thousand, six hundred forty-four".