343945601 has 4 divisors (see below), whose sum is σ = 343994112. Its totient is φ = 343897092.

The previous prime is 343945583. The next prime is 343945603. The reversal of 343945601 is 106549343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106549343 = 7039 ⋅15137.

It is a cyclic number.

It is not a de Polignac number, because 343945601 - 2¹⁰ = 343944577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343945603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11321 + ... + 28566.

It is an arithmetic number, because the mean of its divisors is an integer number (85998528).

Almost surely, 2^343945601 is an apocalyptic number.

It is an amenable number.

343945601 is a deficient number, since it is larger than the sum of its proper divisors (48511).

343945601 is an equidigital number, since it uses as much as digits as its factorization.

343945601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48510.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 343945601 is about 18545.7704342527. The cubic root of 343945601 is about 700.6426757599.

The spelling of 343945601 in words is "three hundred forty-three million, nine hundred forty-five thousand, six hundred one".