434616645 has 32 divisors (see below), whose sum is σ = 742856832. Its totient is φ = 216215552.

The previous prime is 434616641. The next prime is 434616653. The reversal of 434616645 is 546616434.

It is a cyclic number.

It is not a de Polignac number, because 434616645 - 2² = 434616641 is a prime.

It is a super-2 number, since 2×434616645² = 377783256222112050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434616641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21274 + ... + 36356.

It is an arithmetic number, because the mean of its divisors is an integer number (23214276).

Almost surely, 2^434616645 is an apocalyptic number.

It is an amenable number.

434616645 is a deficient number, since it is larger than the sum of its proper divisors (308240187).

434616645 is a wasteful number, since it uses less digits than its factorization.

434616645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15221.

The product of its digits is 207360, while the sum is 39.

The square root of 434616645 is about 20847.4613562419. The cubic root of 434616645 is about 757.4758392886.

The spelling of 434616645 in words is "four hundred thirty-four million, six hundred sixteen thousand, six hundred forty-five".