118279434 has 64 divisors (see below), whose sum is σ = 297158400. Its totient is φ = 31187520.

The previous prime is 118279433. The next prime is 118279453. The reversal of 118279434 is 434972811.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 118279392 and 118279401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118279433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24544 + ... + 28964.

It is an arithmetic number, because the mean of its divisors is an integer number (4643100).

Almost surely, 2^118279434 is an apocalyptic number.

118279434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118279434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148579200).

118279434 is an abundant number, since it is smaller than the sum of its proper divisors (178878966).

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

118279434 is a wasteful number, since it uses less digits than its factorization.

118279434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4446 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 118279434 is about 10875.6348780198. The cubic root of 118279434 is about 490.8736793823.

The spelling of 118279434 in words is "one hundred eighteen million, two hundred seventy-nine thousand, four hundred thirty-four".