824132434 has 4 divisors (see below), whose sum is σ = 1236198654. Its totient is φ = 412066216.

The previous prime is 824132423. The next prime is 824132459. The reversal of 824132434 is 434231428.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 752679225 + 71453209 = 27435^2 + 8453^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 824132396 and 824132405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206033107 + ... + 206033110.

Almost surely, 2^824132434 is an apocalyptic number.

824132434 is a deficient number, since it is larger than the sum of its proper divisors (412066220).

824132434 is a wasteful number, since it uses less digits than its factorization.

824132434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412066219.

The product of its digits is 18432, while the sum is 31.

The square root of 824132434 is about 28707.7068746356. The cubic root of 824132434 is about 937.5598526291.

The spelling of 824132434 in words is "eight hundred twenty-four million, one hundred thirty-two thousand, four hundred thirty-four".