39140449 has 8 divisors (see below), whose sum is σ = 40214592. Its totient is φ = 38073840.

The previous prime is 39140441. The next prime is 39140501. The reversal of 39140449 is 94404193.

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

It is a cyclic number.

It is not a de Polignac number, because 39140449 - 2³ = 39140441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39140441) 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, 9579 + ... + 13039.

It is an arithmetic number, because the mean of its divisors is an integer number (5026824).

Almost surely, 2^39140449 is an apocalyptic number.

It is an amenable number.

39140449 is a deficient number, since it is larger than the sum of its proper divisors (1074143).

39140449 is a wasteful number, since it uses less digits than its factorization.

39140449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 39140449 is about 6256.2328121642. The cubic root of 39140449 is about 339.5277439997.

The spelling of 39140449 in words is "thirty-nine million, one hundred forty thousand, four hundred forty-nine".