338400554 has 8 divisors (see below), whose sum is σ = 512345088. Its totient is φ = 167618860.

The previous prime is 338400553. The next prime is 338400571. The reversal of 338400554 is 455004833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×338400554² = 229029869895013832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338400554.

It is not an unprimeable number, because it can be changed into a prime (338400553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790442 + ... + 790869.

It is an arithmetic number, because the mean of its divisors is an integer number (64043136).

Almost surely, 2^338400554 is an apocalyptic number.

338400554 is a deficient number, since it is larger than the sum of its proper divisors (173944534).

338400554 is a wasteful number, since it uses less digits than its factorization.

338400554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581420.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 338400554 is about 18395.6667180073. Note that the first 3 decimals coincide. The cubic root of 338400554 is about 696.8570345305.

The spelling of 338400554 in words is "three hundred thirty-eight million, four hundred thousand, five hundred fifty-four".