338842506 has 16 divisors (see below), whose sum is σ = 678168864. Its totient is φ = 112866864.

The previous prime is 338842501. The next prime is 338842513. The reversal of 338842506 is 605248833.

It is a super-2 number, since 2×338842506² = 229628487744720072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (338842501) 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, 10716 + ... + 28151.

It is an arithmetic number, because the mean of its divisors is an integer number (42385554).

Almost surely, 2^338842506 is an apocalyptic number.

338842506 is an abundant number, since it is smaller than the sum of its proper divisors (339326358).

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

338842506 is a wasteful number, since it uses less digits than its factorization.

338842506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40325.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 338842506 is about 18407.6751927015. The cubic root of 338842506 is about 697.1602682581.

The spelling of 338842506 in words is "three hundred thirty-eight million, eight hundred forty-two thousand, five hundred six".