869526442 has 8 divisors (see below), whose sum is σ = 1336101732. Its totient is φ = 424159200.

The previous prime is 869526439. The next prime is 869526443. The reversal of 869526442 is 244625968.

It can be written as a sum of positive squares in 2 ways, for example, as 855621001 + 13905441 = 29251^2 + 3729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 869526392 and 869526401.

It is not an unprimeable number, because it can be changed into a prime (869526443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5301909 + ... + 5302072.

Almost surely, 2^869526442 is an apocalyptic number.

869526442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

869526442 is a deficient number, since it is larger than the sum of its proper divisors (466575290).

869526442 is a wasteful number, since it uses less digits than its factorization.

869526442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604024.

The product of its digits is 829440, while the sum is 46.

The square root of 869526442 is about 29487.7337549022. The cubic root of 869526442 is about 954.4670297149.

It can be divided in two parts, 869526 and 442, that added together give a palindrome (869968).

The spelling of 869526442 in words is "eight hundred sixty-nine million, five hundred twenty-six thousand, four hundred forty-two".