434538997 has 16 divisors (see below), whose sum is σ = 463408128. Its totient is φ = 406823040.

The previous prime is 434538991. The next prime is 434539003. The reversal of 434538997 is 799835434.

It is an interprime number because it is at equal distance from previous prime (434538991) and next prime (434539003).

It is a cyclic number.

It is not a de Polignac number, because 434538997 - 2¹⁵ = 434506229 is a prime.

It is a Duffinian number.

Its product of digits (3265920) is a multiple of the sum of its prime divisors (3780).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434538991) 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 15 ways as a sum of consecutive naturals, for example, 118128 + ... + 121750.

It is an arithmetic number, because the mean of its divisors is an integer number (28963008).

Almost surely, 2^434538997 is an apocalyptic number.

It is an amenable number.

434538997 is a deficient number, since it is larger than the sum of its proper divisors (28869131).

434538997 is a wasteful number, since it uses less digits than its factorization.

434538997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780.

The product of its digits is 3265920, while the sum is 52.

The square root of 434538997 is about 20845.5989839582. The cubic root of 434538997 is about 757.4307267451.

The spelling of 434538997 in words is "four hundred thirty-four million, five hundred thirty-eight thousand, nine hundred ninety-seven".