358840 has 16 divisors (see below), whose sum is σ = 807480. Its totient is φ = 143520.

The previous prime is 358829. The next prime is 358847. The reversal of 358840 is 48853.

It is a super-2 number, since 2×358840² = 257532291200, which contains 22 as substring.

It is a plaindrome in base 11.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 358799 and 358808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (358847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4446 + ... + 4525.

2³⁵⁸⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

358840 is an abundant number, since it is smaller than the sum of its proper divisors (448640).

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

358840 is a wasteful number, since it uses less digits than its factorization.

358840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8982 (or 8978 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 358840 is about 599.0325533725. The cubic root of 358840 is about 71.0613765378.

The spelling of 358840 in words is "three hundred fifty-eight thousand, eight hundred forty".