356418 has 12 divisors (see below), whose sum is σ = 772278. Its totient is φ = 118800.

The previous prime is 356399. The next prime is 356441. The reversal of 356418 is 814653.

It can be written as a sum of positive squares in only one way, i.e., 356409 + 9 = 597^2 + 3^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 356391 and 356400.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 356418.

It is an unprimeable number.

356418 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 (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9883 + ... + 9918.

2³⁵⁶⁴¹⁸ is an apocalyptic number.

356418 is an abundant number, since it is smaller than the sum of its proper divisors (415860).

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

356418 is a wasteful number, since it uses less digits than its factorization.

356418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19809 (or 19806 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 356418 is about 597.0075376409. The cubic root of 356418 is about 70.9011386097.

The spelling of 356418 in words is "three hundred fifty-six thousand, four hundred eighteen".