338428858 has 8 divisors (see below), whose sum is σ = 518444352. Its totient is φ = 165614076.

The previous prime is 338428823. The next prime is 338428879. The reversal of 338428858 is 858824833.

It is a happy number.

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

It is a super-2 number, since 2×338428858² = 229068183854368328, which contains 22 as substring.

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, 1800060 + ... + 1800247.

It is an arithmetic number, because the mean of its divisors is an integer number (64805544).

Almost surely, 2^338428858 is an apocalyptic number.

338428858 is a deficient number, since it is larger than the sum of its proper divisors (180015494).

338428858 is a wasteful number, since it uses less digits than its factorization.

338428858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600356.

The product of its digits is 1474560, while the sum is 49.

The square root of 338428858 is about 18396.4360135326. The cubic root of 338428858 is about 696.8764624849.

The spelling of 338428858 in words is "three hundred thirty-eight million, four hundred twenty-eight thousand, eight hundred fifty-eight".