38002001 has 4 divisors (see below), whose sum is σ = 39227904. Its totient is φ = 36776100.

The previous prime is 38001989. The next prime is 38002009. The reversal of 38002001 is 10020083.

38002001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10020083 = 2621 ⋅3823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38002001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612905 + ... + 612966.

It is an arithmetic number, because the mean of its divisors is an integer number (9806976).

Almost surely, 2^38002001 is an apocalyptic number.

38002001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38002001 is a deficient number, since it is larger than the sum of its proper divisors (1225903).

38002001 is a wasteful number, since it uses less digits than its factorization.

38002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225902.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 38002001 is about 6164.5763033642. The cubic root of 38002001 is about 336.2034417279.

Adding to 38002001 its reverse (10020083), we get a palindrome (48022084).

The spelling of 38002001 in words is "thirty-eight million, two thousand, one".