4390847845 has 16 divisors (see below), whose sum is σ = 5548032000. Its totient is φ = 3326781888.

The previous prime is 4390847837. The next prime is 4390847849. The reversal of 4390847845 is 5487480934.

It is a cyclic number.

It is not a de Polignac number, because 4390847845 - 2³ = 4390847837 is a prime.

It is a super-2 number, since 2×4390847845² = 38559089595882288050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4390847792 and 4390847801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390847849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481791 + ... + 490819.

It is an arithmetic number, because the mean of its divisors is an integer number (346752000).

Almost surely, 2^4390847845 is an apocalyptic number.

It is an amenable number.

4390847845 is a deficient number, since it is larger than the sum of its proper divisors (1157184155).

4390847845 is a wasteful number, since it uses less digits than its factorization.

4390847845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14172.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 4390847845 is about 66263.4729319253. The cubic root of 4390847845 is about 1637.5056078125.

The spelling of 4390847845 in words is "four billion, three hundred ninety million, eight hundred forty-seven thousand, eight hundred forty-five".