39914289 has 10 divisors (see below), whose sum is σ = 59625170. Its totient is φ = 26609472.

The previous prime is 39914263. The next prime is 39914309. The reversal of 39914289 is 98241993.

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 12194064 = 5265^2 + 3492^2 .

It is not a de Polignac number, because 39914289 - 2⁹ = 39913777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39914219) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 246304 + ... + 246465.

It is an arithmetic number, because the mean of its divisors is an integer number (5962517).

Almost surely, 2^39914289 is an apocalyptic number.

It is an amenable number.

39914289 is a deficient number, since it is larger than the sum of its proper divisors (19710881).

39914289 is an equidigital number, since it uses as much as digits as its factorization.

39914289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492781 (or 492772 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 39914289 is about 6317.7756370419. The cubic root of 39914289 is about 341.7507417394.

The spelling of 39914289 in words is "thirty-nine million, nine hundred fourteen thousand, two hundred eighty-nine".