343455901 has 4 divisors (see below), whose sum is σ = 344696092. Its totient is φ = 342215712.

The previous prime is 343455887. The next prime is 343455911. The reversal of 343455901 is 109554343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109554343 = 443 ⋅247301.

It can be written as a sum of positive squares in 2 ways, for example, as 171583801 + 171872100 = 13099^2 + 13110^2 .

It is a cyclic number.

It is not a de Polignac number, because 343455901 - 2⁷ = 343455773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343455911) 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, 619680 + ... + 620233.

It is an arithmetic number, because the mean of its divisors is an integer number (86174023).

Almost surely, 2^343455901 is an apocalyptic number.

It is an amenable number.

343455901 is a deficient number, since it is larger than the sum of its proper divisors (1240191).

343455901 is a wasteful number, since it uses less digits than its factorization.

343455901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240190.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 343455901 is about 18532.5632603804. The cubic root of 343455901 is about 700.3099994292.

The spelling of 343455901 in words is "three hundred forty-three million, four hundred fifty-five thousand, nine hundred one".