39794889 has 4 divisors (see below), whose sum is σ = 53059856. Its totient is φ = 26529924.

The previous prime is 39794857. The next prime is 39794897. The reversal of 39794889 is 98849793.

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 39794889 - 2⁵ = 39794857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39794819) 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, 6632479 + ... + 6632484.

It is an arithmetic number, because the mean of its divisors is an integer number (13264964).

Almost surely, 2^39794889 is an apocalyptic number.

It is an amenable number.

39794889 is a deficient number, since it is larger than the sum of its proper divisors (13264967).

39794889 is a wasteful number, since it uses less digits than its factorization.

39794889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13264966.

The product of its digits is 3919104, while the sum is 57.

The square root of 39794889 is about 6308.3190312475. The cubic root of 39794889 is about 341.4096291910.

The spelling of 39794889 in words is "thirty-nine million, seven hundred ninety-four thousand, eight hundred eighty-nine".