338723390 has 8 divisors (see below), whose sum is σ = 609702120. Its totient is φ = 135489352.

The previous prime is 338723389. The next prime is 338723417. The reversal of 338723390 is 93327833.

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

It is a super-2 number, since 2×338723390² = 229467069866184200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16936160 + ... + 16936179.

It is an arithmetic number, because the mean of its divisors is an integer number (76212765).

Almost surely, 2^338723390 is an apocalyptic number.

338723390 is a deficient number, since it is larger than the sum of its proper divisors (270978730).

338723390 is a wasteful number, since it uses less digits than its factorization.

338723390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33872346.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 338723390 is about 18404.4394100989. The cubic root of 338723390 is about 697.0785659197.

The spelling of 338723390 in words is "three hundred thirty-eight million, seven hundred twenty-three thousand, three hundred ninety".