434540349 has 32 divisors (see below), whose sum is σ = 683043840. Its totient is φ = 272088576.

The previous prime is 434540341. The next prime is 434540399. The reversal of 434540349 is 943045434.

It is a happy number.

It is not a de Polignac number, because 434540349 - 2³ = 434540341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434540341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395569 + ... + 396665.

It is an arithmetic number, because the mean of its divisors is an integer number (21345120).

Almost surely, 2^434540349 is an apocalyptic number.

It is an amenable number.

434540349 is a deficient number, since it is larger than the sum of its proper divisors (248503491).

434540349 is a wasteful number, since it uses less digits than its factorization.

434540349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 434540349 is about 20845.6314128404. The cubic root of 434540349 is about 757.4315122866.

The spelling of 434540349 in words is "four hundred thirty-four million, five hundred forty thousand, three hundred forty-nine".