38305066 has 8 divisors (see below), whose sum is σ = 58103460. Its totient is φ = 18937248.

The previous prime is 38305049. The next prime is 38305067. The reversal of 38305066 is 66050383.

It can be written as a sum of positive squares in 2 ways, for example, as 29430625 + 8874441 = 5425^2 + 2979^2 .

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 (38305067) 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, 107421 + ... + 107776.

Almost surely, 2^38305066 is an apocalyptic number.

38305066 is a deficient number, since it is larger than the sum of its proper divisors (19798394).

38305066 is a wasteful number, since it uses less digits than its factorization.

38305066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215288.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 38305066 is about 6189.1086595729. The cubic root of 38305066 is about 337.0948143434.

The spelling of 38305066 in words is "thirty-eight million, three hundred five thousand, sixty-six".