343155864 has 64 divisors (see below), whose sum is σ = 896394240. Its totient is φ = 109342080.

The previous prime is 343155847. The next prime is 343155877. The reversal of 343155864 is 468551343.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58974 + ... + 64530.

It is an arithmetic number, because the mean of its divisors is an integer number (14006160).

Almost surely, 2^343155864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343155864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448197120).

343155864 is an abundant number, since it is smaller than the sum of its proper divisors (553238376).

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

343155864 is a wasteful number, since it uses less digits than its factorization.

343155864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680 (or 5676 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 343155864 is about 18524.4666319978. The cubic root of 343155864 is about 700.1060138755.

It can be divided in two parts, 3431 and 55864, that added together give a palindrome (59295).

The spelling of 343155864 in words is "three hundred forty-three million, one hundred fifty-five thousand, eight hundred sixty-four".