49178393 has 24 divisors (see below), whose sum is σ = 57915648. Its totient is φ = 41624000.

The previous prime is 49178387. The next prime is 49178401. The reversal of 49178393 is 39387194.

It is a happy number.

It is not a de Polignac number, because 49178393 - 2²² = 44984089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49178323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113888 + ... + 114318.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^49178393 is an apocalyptic number.

It is an amenable number.

49178393 is a deficient number, since it is larger than the sum of its proper divisors (8737255).

49178393 is a wasteful number, since it uses less digits than its factorization.

49178393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 506 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 49178393 is about 7012.7307805162. The cubic root of 49178393 is about 366.3741110826.

The spelling of 49178393 in words is "forty-nine million, one hundred seventy-eight thousand, three hundred ninety-three".