39494449 has 8 divisors (see below), whose sum is σ = 40134528. Its totient is φ = 38859600.

The previous prime is 39494443. The next prime is 39494459. The reversal of 39494449 is 94449493.

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

It is a cyclic number.

It is not a de Polignac number, because 39494449 - 2⁷ = 39494321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39494399 and 39494408.

It is not an unprimeable number, because it can be changed into a prime (39494443) 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, 15624 + ... + 17974.

It is an arithmetic number, because the mean of its divisors is an integer number (5016816).

Almost surely, 2^39494449 is an apocalyptic number.

It is an amenable number.

39494449 is a deficient number, since it is larger than the sum of its proper divisors (640079).

39494449 is a wasteful number, since it uses less digits than its factorization.

39494449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615.

The product of its digits is 559872, while the sum is 46.

The square root of 39494449 is about 6284.4609156236. The cubic root of 39494449 is about 340.5482762865.

The spelling of 39494449 in words is "thirty-nine million, four hundred ninety-four thousand, four hundred forty-nine".