852598442 has 4 divisors (see below), whose sum is σ = 1278897666. Its totient is φ = 426299220.

The previous prime is 852598421. The next prime is 852598489. The reversal of 852598442 is 244895258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244895258 = 2 ⋅122447629.

It can be written as a sum of positive squares in only one way, i.e., 766127041 + 86471401 = 27679^2 + 9299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213149609 + ... + 213149612.

Almost surely, 2^852598442 is an apocalyptic number.

852598442 is a deficient number, since it is larger than the sum of its proper divisors (426299224).

852598442 is a wasteful number, since it uses less digits than its factorization.

852598442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426299223.

The product of its digits is 921600, while the sum is 47.

The square root of 852598442 is about 29199.2883817397. The cubic root of 852598442 is about 948.2325186145.

The spelling of 852598442 in words is "eight hundred fifty-two million, five hundred ninety-eight thousand, four hundred forty-two".