852698401 has 3 divisors (see below), whose sum is σ = 852727603. Its totient is φ = 852669200.

The previous prime is 852698387. The next prime is 852698417. The reversal of 852698401 is 104896258.

It is a happy number.

The square root of 852698401 is 29201.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 268992801 + 583705600 = 16401^2 + 24160^2 .

It is not a de Polignac number, because 852698401 - 2²³ = 844309793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852690401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14601 + ... + 43801.

Almost surely, 2^852698401 is an apocalyptic number.

852698401 is the 29201-st square number.

852698401 is the 14601-st centered octagonal number.

It is an amenable number.

852698401 is a deficient number, since it is larger than the sum of its proper divisors (29202).

852698401 is an frugal number, since it uses more digits than its factorization.

852698401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58402 (or 29201 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The cubic root of 852698401 is about 948.2695742262.

The spelling of 852698401 in words is "eight hundred fifty-two million, six hundred ninety-eight thousand, four hundred one".