39491066 has 8 divisors (see below), whose sum is σ = 59263284. Its totient is φ = 19736640.

The previous prime is 39491057. The next prime is 39491107. The reversal of 39491066 is 66019493.

It can be written as a sum of positive squares in 2 ways, for example, as 38180041 + 1311025 = 6179^2 + 1145^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6236 + ... + 10856.

Almost surely, 2^39491066 is an apocalyptic number.

39491066 is a deficient number, since it is larger than the sum of its proper divisors (19772218).

39491066 is a wasteful number, since it uses less digits than its factorization.

39491066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 39491066 is about 6284.1917539171. The cubic root of 39491066 is about 340.5385524920.

The spelling of 39491066 in words is "thirty-nine million, four hundred ninety-one thousand, sixty-six".