49206439 has 2 divisors, whose sum is σ = 49206440. Its totient is φ = 49206438.

The previous prime is 49206433. The next prime is 49206457. The reversal of 49206439 is 93460294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49206439 - 2³ = 49206431 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49206398 and 49206407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49206431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24603219 + 24603220.

It is an arithmetic number, because the mean of its divisors is an integer number (24603220).

Almost surely, 2^49206439 is an apocalyptic number.

49206439 is a deficient number, since it is larger than the sum of its proper divisors (1).

49206439 is an equidigital number, since it uses as much as digits as its factorization.

49206439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 49206439 is about 7014.7301444888. The cubic root of 49206439 is about 366.4437444792.

The spelling of 49206439 in words is "forty-nine million, two hundred six thousand, four hundred thirty-nine".