39004001 has 8 divisors (see below), whose sum is σ = 41371560. Its totient is φ = 36644608.

The previous prime is 39003989. The next prime is 39004033. The reversal of 39004001 is 10040093.

It can be written as a sum of positive squares in 4 ways, for example, as 33918976 + 5085025 = 5824^2 + 2255^2 .

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 39004001 - 2¹⁴ = 38987617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39004201) 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, 9815 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (5171445).

Almost surely, 2^39004001 is an apocalyptic number.

It is an amenable number.

39004001 is a deficient number, since it is larger than the sum of its proper divisors (2367559).

39004001 is a wasteful number, since it uses less digits than its factorization.

39004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 39004001 is about 6245.3183265547. The cubic root of 39004001 is about 339.1327406886.

Adding to 39004001 its reverse (10040093), we get a palindrome (49044094).

The spelling of 39004001 in words is "thirty-nine million, four thousand, one".