343746 has 36 divisors (see below), whose sum is σ = 813618. Its totient is φ = 104832.

The previous prime is 343727. The next prime is 343769. The reversal of 343746 is 647343.

343746 = T₈₈ + T₈₉ + ... + T₁₃₉.

343746 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 3 ways, for example, as 68121 + 275625 = 261^2 + 525^2 .

It is a super-2 number, since 2×343746² = 236322625032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2986 + ... + 3098.

2³⁴³⁷⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406809).

343746 is an abundant number, since it is smaller than the sum of its proper divisors (469872).

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

343746 is a wasteful number, since it uses less digits than its factorization.

343746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 131 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 343746 is about 586.2985587565. The cubic root of 343746 is about 70.0507115524.

It can be divided in two parts, 343 and 746, that added together give a square (1089 = 33²).

The spelling of 343746 in words is "three hundred forty-three thousand, seven hundred forty-six".