4013958 has 16 divisors (see below), whose sum is σ = 8645616. Its totient is φ = 1235040.

The previous prime is 4013953. The next prime is 4013981. The reversal of 4013958 is 8593104.

It is a super-2 number, since 2×4013958² = 32223717651528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013951) 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, 25653 + ... + 25808.

It is an arithmetic number, because the mean of its divisors is an integer number (540351).

Almost surely, 2^4013958 is an apocalyptic number.

4013958 is an abundant number, since it is smaller than the sum of its proper divisors (4631658).

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

4013958 is a wasteful number, since it uses less digits than its factorization.

4013958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51479.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 4013958 is about 2003.4864611472. The cubic root of 4013958 is about 158.9245320427.

The spelling of 4013958 in words is "four million, thirteen thousand, nine hundred fifty-eight".