434400243 has 16 divisors (see below), whose sum is σ = 593464320. Its totient is φ = 282530144.

The previous prime is 434400229. The next prime is 434400247. The reversal of 434400243 is 342004434.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 434400243 - 2⁴ = 434400227 is a prime.

It is a super-2 number, since 2×434400243² = 377407142236918098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (434400247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20830 + ... + 36092.

It is an arithmetic number, because the mean of its divisors is an integer number (37091520).

Almost surely, 2^434400243 is an apocalyptic number.

434400243 is a deficient number, since it is larger than the sum of its proper divisors (159064077).

434400243 is a wasteful number, since it uses less digits than its factorization.

434400243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 434400243 is about 20842.2705816809. The cubic root of 434400243 is about 757.3500989748.

Adding to 434400243 its reverse (342004434), we get a palindrome (776404677).

The spelling of 434400243 in words is "four hundred thirty-four million, four hundred thousand, two hundred forty-three".