4055998 has 8 divisors (see below), whose sum is σ = 6293880. Its totient is φ = 1958040.

The previous prime is 4055993. The next prime is 4056023. The reversal of 4055998 is 8995504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4055998² = 32902239552008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4055998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34908 + ... + 35023.

It is an arithmetic number, because the mean of its divisors is an integer number (786735).

Almost surely, 2^4055998 is an apocalyptic number.

4055998 is a deficient number, since it is larger than the sum of its proper divisors (2237882).

4055998 is a wasteful number, since it uses less digits than its factorization.

4055998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69962.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 4055998 is about 2013.9508434915. The cubic root of 4055998 is about 159.4774357745.

The spelling of 4055998 in words is "four million, fifty-five thousand, nine hundred ninety-eight".