338653641 has 8 divisors (see below), whose sum is σ = 466104064. Its totient is φ = 218486160.

The previous prime is 338653621. The next prime is 338653649. The reversal of 338653641 is 146356833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 338653641 - 2¹⁰ = 338652617 is a prime.

It is a super-2 number, since 2×338653641² = 229372577125113762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338653641.

It is not an unprimeable number, because it can be changed into a prime (338653649) 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, 1820626 + ... + 1820811.

It is an arithmetic number, because the mean of its divisors is an integer number (58263008).

Almost surely, 2^338653641 is an apocalyptic number.

338653641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

338653641 is a deficient number, since it is larger than the sum of its proper divisors (127450423).

338653641 is a wasteful number, since it uses less digits than its factorization.

338653641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641471.

The product of its digits is 155520, while the sum is 39.

The square root of 338653641 is about 18402.5444164659. The cubic root of 338653641 is about 697.0307157938.

The spelling of 338653641 in words is "three hundred thirty-eight million, six hundred fifty-three thousand, six hundred forty-one".