39489037 has 4 divisors (see below), whose sum is σ = 45130336. Its totient is φ = 33847740.

The previous prime is 39489031. The next prime is 39489041. The reversal of 39489037 is 73098493.

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: 73098493 = 13 ⋅5622961.

It is a cyclic number.

It is not a de Polignac number, because 39489037 - 2¹⁹ = 38964749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39488984 and 39489002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39489031) 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, 2820639 + ... + 2820652.

It is an arithmetic number, because the mean of its divisors is an integer number (11282584).

Almost surely, 2^39489037 is an apocalyptic number.

It is an amenable number.

39489037 is a deficient number, since it is larger than the sum of its proper divisors (5641299).

39489037 is an equidigital number, since it uses as much as digits as its factorization.

39489037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641298.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 39489037 is about 6284.0303150128. The cubic root of 39489037 is about 340.5327202484.

The spelling of 39489037 in words is "thirty-nine million, four hundred eighty-nine thousand, thirty-seven".