343685632 has 20 divisors (see below), whose sum is σ = 686701026. Its totient is φ = 171842560.

The previous prime is 343685569. The next prime is 343685669. The reversal of 343685632 is 236586343.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 310323456 + 33362176 = 17616^2 + 5776^2 .

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 as a sum of consecutive naturals, namely, 335119 + ... + 336142.

Almost surely, 2^343685632 is an apocalyptic number.

343685632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

343685632 is a deficient number, since it is larger than the sum of its proper divisors (343015394).

343685632 is an frugal number, since it uses more digits than its factorization.

343685632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671279 (or 671263 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 343685632 is about 18538.7602606000. The cubic root of 343685632 is about 700.4661058938.

It can be divided in two parts, 34368 and 5632, that added together give a square (40000 = 200²).

The spelling of 343685632 in words is "three hundred forty-three million, six hundred eighty-five thousand, six hundred thirty-two".