434148209 has 8 divisors (see below), whose sum is σ = 474027552. Its totient is φ = 394337440.

The previous prime is 434148109. The next prime is 434148257. The reversal of 434148209 is 902841434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 434148209 - 2⁸ = 434147953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434148109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3419 + ... + 29664.

It is an arithmetic number, because the mean of its divisors is an integer number (59253444).

Almost surely, 2^434148209 is an apocalyptic number.

It is an amenable number.

434148209 is a deficient number, since it is larger than the sum of its proper divisors (39879343).

434148209 is a wasteful number, since it uses less digits than its factorization.

434148209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34287.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 434148209 is about 20836.2234821956. The cubic root of 434148209 is about 757.2036020480.

The spelling of 434148209 in words is "four hundred thirty-four million, one hundred forty-eight thousand, two hundred nine".