356340 has 24 divisors (see below), whose sum is σ = 997920. Its totient is φ = 95008.

The previous prime is 356333. The next prime is 356351. The reversal of 356340 is 43653.

It is a congruent number.

It is an unprimeable number.

356340 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2910 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2³⁵⁶³⁴⁰ is an apocalyptic number.

356340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

356340 is an abundant number, since it is smaller than the sum of its proper divisors (641580).

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

356340 is a wasteful number, since it uses less digits than its factorization.

356340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951 (or 5949 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 356340 is about 596.9422082581. The cubic root of 356340 is about 70.8959661322.

Adding to 356340 its reverse (43653), we get a palindrome (399993).

It can be divided in two parts, 356 and 340, that added together give a palindrome (696).

The spelling of 356340 in words is "three hundred fifty-six thousand, three hundred forty".