4097857938 has 16 divisors (see below), whose sum is σ = 8198124096. Its totient is φ = 1365551280.

The previous prime is 4097857843. The next prime is 4097857957. The reversal of 4097857938 is 8397587904.

It is a super-2 number, since 2×4097857938² = 33584879360059223688, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77833 + ... + 119388.

It is an arithmetic number, because the mean of its divisors is an integer number (512382756).

Almost surely, 2^4097857938 is an apocalyptic number.

4097857938 is an abundant number, since it is smaller than the sum of its proper divisors (4100266158).

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

4097857938 is a wasteful number, since it uses less digits than its factorization.

4097857938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200689.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The square root of 4097857938 is about 64014.5134949880. The cubic root of 4097857938 is about 1600.2418824416.

The spelling of 4097857938 in words is "four billion, ninety-seven million, eight hundred fifty-seven thousand, nine hundred thirty-eight".