39668461 has 8 divisors (see below), whose sum is σ = 45564800. Its totient is φ = 33829488.

The previous prime is 39668413. The next prime is 39668467. The reversal of 39668461 is 16486693.

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

It is not a de Polignac number, because 39668461 - 2¹¹ = 39666413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39668467) 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, 12846 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (5695600).

Almost surely, 2^39668461 is an apocalyptic number.

It is an amenable number.

39668461 is a deficient number, since it is larger than the sum of its proper divisors (5896339).

39668461 is a wasteful number, since it uses less digits than its factorization.

39668461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28683.

The product of its digits is 186624, while the sum is 43.

The square root of 39668461 is about 6298.2903235719. The cubic root of 39668461 is about 341.0476938705.

The spelling of 39668461 in words is "thirty-nine million, six hundred sixty-eight thousand, four hundred sixty-one".