343480642 has 4 divisors (see below), whose sum is σ = 515220966. Its totient is φ = 171740320.

The previous prime is 343480639. The next prime is 343480661. The reversal of 343480642 is 246084343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246084343 = 29 ⋅8485667.

It can be written as a sum of positive squares in only one way, i.e., 181198521 + 162282121 = 13461^2 + 12739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343480598 and 343480607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85870159 + ... + 85870162.

Almost surely, 2^343480642 is an apocalyptic number.

343480642 is a deficient number, since it is larger than the sum of its proper divisors (171740324).

343480642 is a wasteful number, since it uses less digits than its factorization.

343480642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171740323.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 343480642 is about 18533.2307491166. The cubic root of 343480642 is about 700.3268147405.

The spelling of 343480642 in words is "three hundred forty-three million, four hundred eighty thousand, six hundred forty-two".