338109486 has 64 divisors (see below), whose sum is σ = 797610240. Its totient is φ = 94199040.

The previous prime is 338109469. The next prime is 338109491. The reversal of 338109486 is 684901833.

It is a happy number.

It is a super-2 number, since 2×338109486² = 228636049046368392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267925 + ... + 269183.

It is an arithmetic number, because the mean of its divisors is an integer number (12462660).

Almost surely, 2^338109486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338109486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398805120).

338109486 is an abundant number, since it is smaller than the sum of its proper divisors (459500754).

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

338109486 is a wasteful number, since it uses less digits than its factorization.

338109486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 338109486 is about 18387.7536964144. The cubic root of 338109486 is about 696.6571816611.

The spelling of 338109486 in words is "three hundred thirty-eight million, one hundred nine thousand, four hundred eighty-six".