400058 has 4 divisors (see below), whose sum is σ = 600090. Its totient is φ = 200028.

The previous prime is 400051. The next prime is 400067. The reversal of 400058 is 850004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 305809 + 94249 = 553^2 + 307^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100013 + ... + 100016.

2⁴⁰⁰⁰⁵⁸ is an apocalyptic number.

400058 is a deficient number, since it is larger than the sum of its proper divisors (200032).

400058 is a wasteful number, since it uses less digits than its factorization.

400058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200031.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 400058 is about 632.5013833977. The cubic root of 400058 is about 73.6841910311.

The spelling of 400058 in words is "four hundred thousand, fifty-eight".