39494217 has 48 divisors (see below), whose sum is σ = 66094080. Its totient is φ = 20489760.

The previous prime is 39494177. The next prime is 39494219. The reversal of 39494217 is 71249493.

It is not a de Polignac number, because 39494217 - 2¹¹ = 39492169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39494219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383388 + ... + 383490.

It is an arithmetic number, because the mean of its divisors is an integer number (1376960).

Almost surely, 2^39494217 is an apocalyptic number.

It is an amenable number.

39494217 is a deficient number, since it is larger than the sum of its proper divisors (26599863).

39494217 is a wasteful number, since it uses less digits than its factorization.

39494217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 163 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 39494217 is about 6284.4424573704. The cubic root of 39494217 is about 340.5476094641.

The spelling of 39494217 in words is "thirty-nine million, four hundred ninety-four thousand, two hundred seventeen".