338426815 has 8 divisors (see below), whose sum is σ = 406607040. Its totient is φ = 270411552.

The previous prime is 338426801. The next prime is 338426819. The reversal of 338426815 is 518624833.

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

It is a cyclic number.

It is not a de Polignac number, because 338426815 - 2⁹ = 338426303 is a prime.

It is a super-2 number, since 2×338426815² = 229065418222088450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338426819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36679 + ... + 44968.

It is an arithmetic number, because the mean of its divisors is an integer number (50825880).

Almost surely, 2^338426815 is an apocalyptic number.

338426815 is a deficient number, since it is larger than the sum of its proper divisors (68180225).

338426815 is an equidigital number, since it uses as much as digits as its factorization.

338426815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82481.

The product of its digits is 138240, while the sum is 40.

The square root of 338426815 is about 18396.3804863892. The cubic root of 338426815 is about 696.8750601996.

The spelling of 338426815 in words is "three hundred thirty-eight million, four hundred twenty-six thousand, eight hundred fifteen".