49378217 has 16 divisors (see below), whose sum is σ = 62353152. Its totient is φ = 38100480.

The previous prime is 49378201. The next prime is 49378229. The reversal of 49378217 is 71287394.

It is a cyclic number.

It is not a de Polignac number, because 49378217 - 2⁴ = 49378201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49378267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6284 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (3897072).

Almost surely, 2^49378217 is an apocalyptic number.

It is an amenable number.

49378217 is a deficient number, since it is larger than the sum of its proper divisors (12974935).

49378217 is a wasteful number, since it uses less digits than its factorization.

49378217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18088.

The product of its digits is 84672, while the sum is 41.

The square root of 49378217 is about 7026.9635689962. The cubic root of 49378217 is about 366.8696634440.

The spelling of 49378217 in words is "forty-nine million, three hundred seventy-eight thousand, two hundred seventeen".