106434 has 28 divisors (see below), whose sum is σ = 242646. Its totient is φ = 34992.

The previous prime is 106433. The next prime is 106441. The reversal of 106434 is 434601.

It can be written as a sum of positive squares in only one way, i.e., 88209 + 18225 = 297^2 + 135^2 .

It is a super-2 number, since 2×106434² = 22656392712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 106434.

It is not an unprimeable number, because it can be changed into a prime (106433) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1422 + ... + 1494.

2¹⁰⁶⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121323).

106434 is an abundant number, since it is smaller than the sum of its proper divisors (136212).

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

106434 is an frugal number, since it uses more digits than its factorization.

106434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 106434 is about 326.2422412871. The cubic root of 106434 is about 47.3907368535.

The spelling of 106434 in words is "one hundred six thousand, four hundred thirty-four".