434606140 has 12 divisors (see below), whose sum is σ = 912672936. Its totient is φ = 173842448.

The previous prime is 434606129. The next prime is 434606149. The reversal of 434606140 is 41606434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 434606099 and 434606108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434606149) 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, 10865134 + ... + 10865173.

It is an arithmetic number, because the mean of its divisors is an integer number (76056078).

Almost surely, 2^434606140 is an apocalyptic number.

It is an amenable number.

434606140 is an abundant number, since it is smaller than the sum of its proper divisors (478066796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434606140 is a wasteful number, since it uses less digits than its factorization.

434606140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21730316 (or 21730314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 434606140 is about 20847.2094055775. The cubic root of 434606140 is about 757.4697363257.

The spelling of 434606140 in words is "four hundred thirty-four million, six hundred six thousand, one hundred forty".