852002434 has 4 divisors (see below), whose sum is σ = 1278003654. Its totient is φ = 426001216.

The previous prime is 852002407. The next prime is 852002443. The reversal of 852002434 is 434200258.

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., 670965409 + 181037025 = 25903^2 + 13455^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213000607 + ... + 213000610.

Almost surely, 2^852002434 is an apocalyptic number.

852002434 is a deficient number, since it is larger than the sum of its proper divisors (426001220).

852002434 is a wasteful number, since it uses less digits than its factorization.

852002434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426001219.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 852002434 is about 29189.0807323561. The cubic root of 852002434 is about 948.0115134768.

The spelling of 852002434 in words is "eight hundred fifty-two million, two thousand, four hundred thirty-four".