338081478 has 96 divisors (see below), whose sum is σ = 856915200. Its totient is φ = 88312896.

The previous prime is 338081477. The next prime is 338081483. The reversal of 338081478 is 874180833.

It is a super-2 number, since 2×338081478² = 228598171533328968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338081477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160951 + ... + 163037.

It is an arithmetic number, because the mean of its divisors is an integer number (8926200).

Almost surely, 2^338081478 is an apocalyptic number.

338081478 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 338081478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428457600).

338081478 is an abundant number, since it is smaller than the sum of its proper divisors (518833722).

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

338081478 is a wasteful number, since it uses less digits than its factorization.

338081478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 338081478 is about 18386.9920867988. The cubic root of 338081478 is about 696.6379447827.

The spelling of 338081478 in words is "three hundred thirty-eight million, eighty-one thousand, four hundred seventy-eight".