49278395 has 12 divisors (see below), whose sum is σ = 61248720. Its totient is φ = 38060064.

The previous prime is 49278391. The next prime is 49278403. The reversal of 49278395 is 59387294.

It is a happy number.

It is not a de Polignac number, because 49278395 - 2² = 49278391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49278391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1655 + ... + 10064.

It is an arithmetic number, because the mean of its divisors is an integer number (5104060).

Almost surely, 2^49278395 is an apocalyptic number.

49278395 is a deficient number, since it is larger than the sum of its proper divisors (11970325).

49278395 is a wasteful number, since it uses less digits than its factorization.

49278395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11782 (or 11753 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 49278395 is about 7019.8571922796. The cubic root of 49278395 is about 366.6222779139.

It can be divided in two parts, 492 and 78395, that added together give a palindrome (78887).

The spelling of 49278395 in words is "forty-nine million, two hundred seventy-eight thousand, three hundred ninety-five".