343451642 has 4 divisors (see below), whose sum is σ = 515177466. Its totient is φ = 171725820.

The previous prime is 343451639. The next prime is 343451651. The reversal of 343451642 is 246154343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 255072841 + 88378801 = 15971^2 + 9401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343451599 and 343451608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85862909 + ... + 85862912.

Almost surely, 2^343451642 is an apocalyptic number.

343451642 is a deficient number, since it is larger than the sum of its proper divisors (171725824).

343451642 is a wasteful number, since it uses less digits than its factorization.

343451642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171725823.

The product of its digits is 34560, while the sum is 32.

The square root of 343451642 is about 18532.4483541706. The cubic root of 343451642 is about 700.3071047028.

The spelling of 343451642 in words is "three hundred forty-three million, four hundred fifty-one thousand, six hundred forty-two".