358640 has 20 divisors (see below), whose sum is σ = 834024. Its totient is φ = 143424.

The previous prime is 358637. The next prime is 358667. The reversal of 358640 is 46853.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3 + 5⁷ + 6⁷ + 8³ + 4³ + 0 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 358640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162 + ... + 2321.

2³⁵⁸⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

358640 is an abundant number, since it is smaller than the sum of its proper divisors (475384).

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

358640 is a wasteful number, since it uses less digits than its factorization.

358640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4490 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 358640 is about 598.8655942697. The cubic root of 358640 is about 71.0481720302.

The spelling of 358640 in words is "three hundred fifty-eight thousand, six hundred forty".