38002993 has 8 divisors (see below), whose sum is σ = 44833280. Its totient is φ = 31523040.

The previous prime is 38002981. The next prime is 38003011. The reversal of 38002993 is 39920083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38002993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38002933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87348 + ... + 87781.

It is an arithmetic number, because the mean of its divisors is an integer number (5604160).

Almost surely, 2^38002993 is an apocalyptic number.

It is an amenable number.

38002993 is a deficient number, since it is larger than the sum of its proper divisors (6830287).

38002993 is a wasteful number, since it uses less digits than its factorization.

38002993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175167.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 38002993 is about 6164.6567625457. The cubic root of 38002993 is about 336.2063671082.

The spelling of 38002993 in words is "thirty-eight million, two thousand, nine hundred ninety-three".