338906193 has 4 divisors (see below), whose sum is σ = 451874928. Its totient is φ = 225937460.

The previous prime is 338906171. The next prime is 338906213. The reversal of 338906193 is 391609833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391609833 = 3 ⋅130536611.

It is a cyclic number.

It is not a de Polignac number, because 338906193 - 2¹⁴ = 338889809 is a prime.

It is a super-2 number, since 2×338906193² = 229714815307506498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338901193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56484363 + ... + 56484368.

It is an arithmetic number, because the mean of its divisors is an integer number (112968732).

Almost surely, 2^338906193 is an apocalyptic number.

It is an amenable number.

338906193 is a deficient number, since it is larger than the sum of its proper divisors (112968735).

338906193 is a wasteful number, since it uses less digits than its factorization.

338906193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112968734.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 338906193 is about 18409.4050148287. The cubic root of 338906193 is about 697.2039436764.

It can be divided in two parts, 338 and 906193, that added together give a triangular number (906531 = T₁₃₄₆).

The spelling of 338906193 in words is "three hundred thirty-eight million, nine hundred six thousand, one hundred ninety-three".