338920134 has 64 divisors (see below), whose sum is σ = 816915456. Its totient is φ = 91643904.

The previous prime is 338920123. The next prime is 338920189. The reversal of 338920134 is 431029833.

It is a happy number.

It is a super-2 number, since 2×338920134² = 229733714461155912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338920095 and 338920104.

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, 91894 + ... + 95510.

It is an arithmetic number, because the mean of its divisors is an integer number (12764304).

Almost surely, 2^338920134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338920134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408457728).

338920134 is an abundant number, since it is smaller than the sum of its proper divisors (477995322).

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

338920134 is a wasteful number, since it uses less digits than its factorization.

338920134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 338920134 is about 18409.7836489189. The cubic root of 338920134 is about 697.2135034377.

Adding to 338920134 its reverse (431029833), we get a palindrome (769949967).

The spelling of 338920134 in words is "three hundred thirty-eight million, nine hundred twenty thousand, one hundred thirty-four".