338900731 has 4 divisors (see below), whose sum is σ = 364970032. Its totient is φ = 312831432.

The previous prime is 338900717. The next prime is 338900741. The reversal of 338900731 is 137009833.

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

It is a cyclic number.

It is not a de Polignac number, because 338900731 - 2¹¹ = 338898683 is a prime.

It is a super-2 number, since 2×338900731² = 229707410944668722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338900741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13034631 + ... + 13034656.

It is an arithmetic number, because the mean of its divisors is an integer number (91242508).

Almost surely, 2^338900731 is an apocalyptic number.

338900731 is a deficient number, since it is larger than the sum of its proper divisors (26069301).

338900731 is a wasteful number, since it uses less digits than its factorization.

338900731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069300.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 338900731 is about 18409.2566661449. The cubic root of 338900731 is about 697.2001981479.

The spelling of 338900731 in words is "three hundred thirty-eight million, nine hundred thousand, seven hundred thirty-one".