345426 has 8 divisors (see below), whose sum is σ = 690864. Its totient is φ = 115140.

The previous prime is 345413. The next prime is 345431. The reversal of 345426 is 624543.

It is a sphenic number, since it is the product of 3 distinct primes.

345426 is an admirable number.

It is a d-powerful number, because it can be written as 3⁶ + 4 + 4⁹ + 5⁵ + 2¹⁵ + 6⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 345396 and 345405.

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, 28780 + ... + 28791.

It is an arithmetic number, because the mean of its divisors is an integer number (86358).

2³⁴⁵⁴²⁶ is an apocalyptic number.

345426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

345426 is a wasteful number, since it uses less digits than its factorization.

345426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57576.

The product of its digits is 2880, while the sum is 24.

The square root of 345426 is about 587.7295296308. The cubic root of 345426 is about 70.1646464464.

Adding to 345426 its reverse (624543), we get a palindrome (969969).

It can be divided in two parts, 34 and 5426, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 345426 in words is "three hundred forty-five thousand, four hundred twenty-six".