4043898 has 16 divisors (see below), whose sum is σ = 8986560. Its totient is φ = 1347948.

The previous prime is 4043891. The next prime is 4043899. The reversal of 4043898 is 8983404.

It is a super-2 number, since 2×4043898² = 32706222068808, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4043891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37390 + ... + 37497.

It is an arithmetic number, because the mean of its divisors is an integer number (561660).

Almost surely, 2^4043898 is an apocalyptic number.

4043898 is an abundant number, since it is smaller than the sum of its proper divisors (4942662).

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

4043898 is a wasteful number, since it uses less digits than its factorization.

4043898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74898 (or 74892 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4043898 is about 2010.9445541834. The cubic root of 4043898 is about 159.3186915268.

The spelling of 4043898 in words is "four million, forty-three thousand, eight hundred ninety-eight".