4097843838 has 96 divisors (see below), whose sum is σ = 10044521760. Its totient is φ = 1237420800.

The previous prime is 4097843837. The next prime is 4097843923. The reversal of 4097843838 is 8383487904.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4097843837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2201028 + ... + 2202888.

It is an arithmetic number, because the mean of its divisors is an integer number (104630435).

Almost surely, 2^4097843838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4097843838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5022260880).

4097843838 is an abundant number, since it is smaller than the sum of its proper divisors (5946677922).

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

4097843838 is a wasteful number, since it uses less digits than its factorization.

4097843838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2214 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 4097843838 is about 64014.4033636181. The cubic root of 4097843838 is about 1600.2400470570.

The spelling of 4097843838 in words is "four billion, ninety-seven million, eight hundred forty-three thousand, eight hundred thirty-eight".