434897813 has 8 divisors (see below), whose sum is σ = 497174400. Its totient is φ = 372658320.

The previous prime is 434897803. The next prime is 434897831. The reversal of 434897813 is 318798434.

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 434897813 - 2⁸ = 434897557 is a prime.

It is a super-2 number, since 2×434897813² = 378272215504365938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434897803) 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, 23663 + ... + 37811.

It is an arithmetic number, because the mean of its divisors is an integer number (62146800).

Almost surely, 2^434897813 is an apocalyptic number.

It is an amenable number.

434897813 is a deficient number, since it is larger than the sum of its proper divisors (62276587).

434897813 is a wasteful number, since it uses less digits than its factorization.

434897813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18547.

The product of its digits is 580608, while the sum is 47.

The square root of 434897813 is about 20854.2037249088. The cubic root of 434897813 is about 757.6391495363.

The spelling of 434897813 in words is "four hundred thirty-four million, eight hundred ninety-seven thousand, eight hundred thirteen".