338406197 has 4 divisors (see below), whose sum is σ = 338507436. Its totient is φ = 338304960.

The previous prime is 338406193. The next prime is 338406227. The reversal of 338406197 is 791604833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75933796 + 262472401 = 8714^2 + 16201^2 .

It is a cyclic number.

It is not a de Polignac number, because 338406197 - 2² = 338406193 is a prime.

It is a super-2 number, since 2×338406197² = 229037508336005618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338406193) 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, 45428 + ... + 52349.

It is an arithmetic number, because the mean of its divisors is an integer number (84626859).

Almost surely, 2^338406197 is an apocalyptic number.

It is an amenable number.

338406197 is a deficient number, since it is larger than the sum of its proper divisors (101239).

338406197 is an equidigital number, since it uses as much as digits as its factorization.

338406197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101238.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 338406197 is about 18395.8200958805. The cubic root of 338406197 is about 696.8609079899.

The spelling of 338406197 in words is "three hundred thirty-eight million, four hundred six thousand, one hundred ninety-seven".