1338057858 has 8 divisors (see below), whose sum is σ = 2676115728. Its totient is φ = 446019284.

The previous prime is 1338057841. The next prime is 1338057863. The reversal of 1338057858 is 8587508331.

It is a happy number.

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

1338057858 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111504816 + ... + 111504827.

It is an arithmetic number, because the mean of its divisors is an integer number (334514466).

Almost surely, 2^1338057858 is an apocalyptic number.

1338057858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1338057858 is a wasteful number, since it uses less digits than its factorization.

1338057858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223009648.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 1338057858 is about 36579.4731782731. The cubic root of 1338057858 is about 1101.9408869009.

The spelling of 1338057858 in words is "one billion, three hundred thirty-eight million, fifty-seven thousand, eight hundred fifty-eight".