346356 has 30 divisors (see below), whose sum is σ = 906290. Its totient is φ = 115344.

The previous prime is 346349. The next prime is 346361. The reversal of 346356 is 653643.

It can be written as a sum of positive squares in only one way, i.e., 291600 + 54756 = 540^2 + 234^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

346356 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 9 ways as a sum of consecutive naturals, for example, 211 + ... + 858.

2³⁴⁶³⁵⁶ is an apocalyptic number.

346356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

346356 is an abundant number, since it is smaller than the sum of its proper divisors (559934).

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

346356 is a wasteful number, since it uses less digits than its factorization.

346356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1074 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 346356 is about 588.5201780738. The cubic root of 346356 is about 70.2275587611.

Adding to 346356 its product of digits (6480), we get a square (352836 = 594²).

Adding to 346356 its reverse (653643), we get a palindrome (999999).

The spelling of 346356 in words is "three hundred forty-six thousand, three hundred fifty-six".