869234814 has 168 divisors, whose sum is σ = 2377406160. Its totient is φ = 237554856.

The previous prime is 869234813. The next prime is 869234831. The reversal of 869234814 is 418432968.

It is a happy number.

869234814 is a `hidden beast` number, since 86 + 92 + 3 + 481 + 4 = 666.

It is a super-2 number, since 2×869234814² = 1511138323739229192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 869234814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869234813) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 37792807 + ... + 37792829.

Almost surely, 2^869234814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869234814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188703080).

869234814 is an abundant number, since it is smaller than the sum of its proper divisors (1508171346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869234814 is an frugal number, since it uses more digits than its factorization.

869234814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 35 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 869234814 is about 29482.7884366455. The cubic root of 869234814 is about 954.3603124561.

The spelling of 869234814 in words is "eight hundred sixty-nine million, two hundred thirty-four thousand, eight hundred fourteen".