39794249 has 4 divisors (see below), whose sum is σ = 43411920. Its totient is φ = 36176580.

The previous prime is 39794243. The next prime is 39794257. The reversal of 39794249 is 94249793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 39794249 - 2⁴ = 39794233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39794243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808819 + ... + 1808840.

It is an arithmetic number, because the mean of its divisors is an integer number (10852980).

Almost surely, 2^39794249 is an apocalyptic number.

It is an amenable number.

39794249 is a deficient number, since it is larger than the sum of its proper divisors (3617671).

39794249 is a wasteful number, since it uses less digits than its factorization.

39794249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617670.

The product of its digits is 489888, while the sum is 47.

The square root of 39794249 is about 6308.2683043764. The cubic root of 39794249 is about 341.4077989448.

It can be divided in two parts, 3979 and 4249, that added together give a palindrome (8228).

The spelling of 39794249 in words is "thirty-nine million, seven hundred ninety-four thousand, two hundred forty-nine".