38323081 has 8 divisors (see below), whose sum is σ = 39186504. Its totient is φ = 37464960.

The previous prime is 38323073. The next prime is 38323111. The reversal of 38323081 is 18032383.

It can be written as a sum of positive squares in 4 ways, for example, as 3027600 + 35295481 = 1740^2 + 5941^2 .

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 38323081 - 2³ = 38323073 is a prime.

It is a super-2 number, since 2×38323081² = 2937317074665122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38320081) 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, 15661 + ... + 17941.

It is an arithmetic number, because the mean of its divisors is an integer number (4898313).

Almost surely, 2^38323081 is an apocalyptic number.

It is an amenable number.

38323081 is a deficient number, since it is larger than the sum of its proper divisors (863423).

38323081 is a wasteful number, since it uses less digits than its factorization.

38323081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 38323081 is about 6190.5638676941. The cubic root of 38323081 is about 337.1476516654.

The spelling of 38323081 in words is "thirty-eight million, three hundred twenty-three thousand, eighty-one".