208023946 has 8 divisors (see below), whose sum is σ = 336038724. Its totient is φ = 96011040.

The previous prime is 208023929. The next prime is 208023947. The reversal of 208023946 is 649320802.

It can be written as a sum of positive squares in 2 ways, for example, as 176225625 + 31798321 = 13275^2 + 5639^2 .

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

It is not an unprimeable number, because it can be changed into a prime (208023947) 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, 4000435 + ... + 4000486.

Almost surely, 2^208023946 is an apocalyptic number.

208023946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

208023946 is a deficient number, since it is larger than the sum of its proper divisors (128014778).

208023946 is a wasteful number, since it uses less digits than its factorization.

208023946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000936.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 208023946 is about 14423.0352561449. The cubic root of 208023946 is about 592.5219499663.

The spelling of 208023946 in words is "two hundred eight million, twenty-three thousand, nine hundred forty-six".