39396449 has 4 divisors (see below), whose sum is σ = 40357380. Its totient is φ = 38435520.

The previous prime is 39396419. The next prime is 39396479. The reversal of 39396449 is 94469393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94469393 = 4027 ⋅23459.

It is an interprime number because it is at equal distance from previous prime (39396419) and next prime (39396479).

It can be written as a sum of positive squares in 2 ways, for example, as 3312400 + 36084049 = 1820^2 + 6007^2 .

It is a cyclic number.

It is not a de Polignac number, because 39396449 - 2⁸ = 39396193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39396419) 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, 480404 + ... + 480485.

It is an arithmetic number, because the mean of its divisors is an integer number (10089345).

Almost surely, 2^39396449 is an apocalyptic number.

It is an amenable number.

39396449 is a deficient number, since it is larger than the sum of its proper divisors (960931).

39396449 is an equidigital number, since it uses as much as digits as its factorization.

39396449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960930.

The product of its digits is 629856, while the sum is 47.

The square root of 39396449 is about 6276.6590635465. The cubic root of 39396449 is about 340.2663685405.

The spelling of 39396449 in words is "thirty-nine million, three hundred ninety-six thousand, four hundred forty-nine".