4019958 has 12 divisors (see below), whose sum is σ = 8709948. Its totient is φ = 1339980.

The previous prime is 4019909. The next prime is 4019993. The reversal of 4019958 is 8599104.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111648 + ... + 111683.

It is an arithmetic number, because the mean of its divisors is an integer number (725829).

Almost surely, 2^4019958 is an apocalyptic number.

4019958 is an abundant number, since it is smaller than the sum of its proper divisors (4689990).

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

4019958 is a wasteful number, since it uses less digits than its factorization.

4019958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223339 (or 223336 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4019958 is about 2004.9832917010. The cubic root of 4019958 is about 159.0036785668.

The spelling of 4019958 in words is "four million, nineteen thousand, nine hundred fifty-eight".