49178394 has 16 divisors (see below), whose sum is σ = 109285440. Its totient is φ = 16392780.

The previous prime is 49178387. The next prime is 49178401. The reversal of 49178394 is 49387194.

49178394 is a `hidden beast` number, since 491 + 78 + 3 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (49178387) and next prime (49178401).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455302 + ... + 455409.

It is an arithmetic number, because the mean of its divisors is an integer number (6830340).

Almost surely, 2^49178394 is an apocalyptic number.

49178394 is an abundant number, since it is smaller than the sum of its proper divisors (60107046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49178394 is a wasteful number, since it uses less digits than its factorization.

49178394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910722 (or 910716 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 49178394 is about 7012.7308518151. The cubic root of 49178394 is about 366.3741135659.

The spelling of 49178394 in words is "forty-nine million, one hundred seventy-eight thousand, three hundred ninety-four".