343616428 has 24 divisors (see below), whose sum is σ = 613055520. Its totient is φ = 168483840.

The previous prime is 343616419. The next prime is 343616459. The reversal of 343616428 is 824616343.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51678 + ... + 57946.

It is an arithmetic number, because the mean of its divisors is an integer number (25543980).

Almost surely, 2^343616428 is an apocalyptic number.

It is an amenable number.

343616428 is a deficient number, since it is larger than the sum of its proper divisors (269439092).

343616428 is a wasteful number, since it uses less digits than its factorization.

343616428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537 (or 6535 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 343616428 is about 18536.8936987835. The cubic root of 343616428 is about 700.4190878189.

The spelling of 343616428 in words is "three hundred forty-three million, six hundred sixteen thousand, four hundred twenty-eight".