338540653 has 8 divisors (see below), whose sum is σ = 370852416. Its totient is φ = 306484800.

The previous prime is 338540647. The next prime is 338540663. The reversal of 338540653 is 356045833.

It is a happy number.

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 338540653 - 2⁵ = 338540621 is a prime.

It is a super-2 number, since 2×338540653² = 229219547467332818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338540633) 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, 61201 + ... + 66502.

It is an arithmetic number, because the mean of its divisors is an integer number (46356552).

Almost surely, 2^338540653 is an apocalyptic number.

It is an amenable number.

338540653 is a deficient number, since it is larger than the sum of its proper divisors (32311763).

338540653 is a wasteful number, since it uses less digits than its factorization.

338540653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127955.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 338540653 is about 18399.4742587934. The cubic root of 338540653 is about 696.9531883367.

The spelling of 338540653 in words is "three hundred thirty-eight million, five hundred forty thousand, six hundred fifty-three".