234117786 has 48 divisors (see below), whose sum is σ = 547949664. Its totient is φ = 66489696.

The previous prime is 234117773. The next prime is 234117787. The reversal of 234117786 is 687711432.

234117786 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×234117786² = 109622275443083592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234117787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48561 + ... + 53163.

It is an arithmetic number, because the mean of its divisors is an integer number (11415618).

Almost surely, 2^234117786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234117786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273974832).

234117786 is an abundant number, since it is smaller than the sum of its proper divisors (313831878).

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

234117786 is a wasteful number, since it uses less digits than its factorization.

234117786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795 (or 4788 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 234117786 is about 15300.9080122717. The cubic root of 234117786 is about 616.3273913943.

The spelling of 234117786 in words is "two hundred thirty-four million, one hundred seventeen thousand, seven hundred eighty-six".