39494949 has 8 divisors (see below), whose sum is σ = 56710752. Its totient is φ = 24304560.

The previous prime is 39494929. The next prime is 39494963. The reversal of 39494949 is 94949493.

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

It is not a de Polignac number, because 39494949 - 2⁹ = 39494437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494909) 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, 506307 + ... + 506384.

It is an arithmetic number, because the mean of its divisors is an integer number (7088844).

Almost surely, 2^39494949 is an apocalyptic number.

39494949 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

39494949 is a deficient number, since it is larger than the sum of its proper divisors (17215803).

39494949 is a wasteful number, since it uses less digits than its factorization.

39494949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012707.

The product of its digits is 1259712, while the sum is 51.

The square root of 39494949 is about 6284.5006961572. The cubic root of 39494949 is about 340.5497133950.

The spelling of 39494949 in words is "thirty-nine million, four hundred ninety-four thousand, nine hundred forty-nine".