872535434 has 4 divisors (see below), whose sum is σ = 1308803154. Its totient is φ = 436267716.

The previous prime is 872535427. The next prime is 872535451. The reversal of 872535434 is 434535278.

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., 832149409 + 40386025 = 28847^2 + 6355^2 .

It is a super-2 number, since 2×872535434² = 1522636167171136712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872535391 and 872535400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218133857 + ... + 218133860.

Almost surely, 2^872535434 is an apocalyptic number.

872535434 is a deficient number, since it is larger than the sum of its proper divisors (436267720).

872535434 is a wasteful number, since it uses less digits than its factorization.

872535434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436267719.

The product of its digits is 403200, while the sum is 41.

The square root of 872535434 is about 29538.7107707835. The cubic root of 872535434 is about 955.5667383394.

The spelling of 872535434 in words is "eight hundred seventy-two million, five hundred thirty-five thousand, four hundred thirty-four".