869424190 has 16 divisors (see below), whose sum is σ = 1594492128. Its totient is φ = 341207776.

The previous prime is 869424163. The next prime is 869424191. The reversal of 869424190 is 91424968.

It is a super-2 number, since 2×869424190² = 1511796844314312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869424191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819682 + ... + 820741.

It is an arithmetic number, because the mean of its divisors is an integer number (99655758).

Almost surely, 2^869424190 is an apocalyptic number.

869424190 is a deficient number, since it is larger than the sum of its proper divisors (725067938).

869424190 is a wasteful number, since it uses less digits than its factorization.

869424190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640483.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 869424190 is about 29485.9998982568. Note that the first 3 decimals coincide. The cubic root of 869424190 is about 954.4296147175.

The spelling of 869424190 in words is "eight hundred sixty-nine million, four hundred twenty-four thousand, one hundred ninety".