356430 has 24 divisors (see below), whose sum is σ = 863352. Its totient is φ = 94176.

The previous prime is 356399. The next prime is 356441. The reversal of 356430 is 34653.

356430 = T₂₀ + T₂₁ + ... + T₁₂₈.

It is a junction number, because it is equal to n+sod(n) for n = 356397 and 356406.

It is a congruent number.

It is an unprimeable number.

356430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3216 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (35973).

2³⁵⁶⁴³⁰ is an apocalyptic number.

356430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

356430 is an abundant number, since it is smaller than the sum of its proper divisors (506922).

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

356430 is a wasteful number, since it uses less digits than its factorization.

356430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 119 counting only the distinct ones).

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

The square root of 356430 is about 597.0175876806. The cubic root of 356430 is about 70.9019343085.

Subtracting from 356430 its sum of digits (21), we obtain a square (356409 = 597²).

Multiplying 356430 by its product of nonzero digits (1080), we get a square (384944400 = 19620²).

The spelling of 356430 in words is "three hundred fifty-six thousand, four hundred thirty".