49278349 has 2 divisors, whose sum is σ = 49278350. Its totient is φ = 49278348.

The previous prime is 49278329. The next prime is 49278353. The reversal of 49278349 is 94387294.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 8892324 = 6355^2 + 2982^2 .

It is a cyclic number.

It is not a de Polignac number, because 49278349 - 2¹⁹ = 48754061 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49278299 and 49278308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49278319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24639174 + 24639175.

It is an arithmetic number, because the mean of its divisors is an integer number (24639175).

Almost surely, 2^49278349 is an apocalyptic number.

It is an amenable number.

49278349 is a deficient number, since it is larger than the sum of its proper divisors (1).

49278349 is an equidigital number, since it uses as much as digits as its factorization.

49278349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 49278349 is about 7019.8539158589. The cubic root of 49278349 is about 366.6221638367.

The spelling of 49278349 in words is "forty-nine million, two hundred seventy-eight thousand, three hundred forty-nine".