39846489 has 4 divisors (see below), whose sum is σ = 53128656. Its totient is φ = 26564324.

The previous prime is 39846467. The next prime is 39846497. The reversal of 39846489 is 98464893.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 39846489 - 2⁷ = 39846361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39846409) 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, 6641079 + ... + 6641084.

It is an arithmetic number, because the mean of its divisors is an integer number (13282164).

Almost surely, 2^39846489 is an apocalyptic number.

It is an amenable number.

39846489 is a deficient number, since it is larger than the sum of its proper divisors (13282167).

39846489 is a wasteful number, since it uses less digits than its factorization.

39846489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282166.

The product of its digits is 1492992, while the sum is 51.

The square root of 39846489 is about 6312.4075438774. The cubic root of 39846489 is about 341.5571282673.

The spelling of 39846489 in words is "thirty-nine million, eight hundred forty-six thousand, four hundred eighty-nine".