49395390 has 96 divisors (see below), whose sum is σ = 134614656. Its totient is φ = 11497920.

The previous prime is 49395389. The next prime is 49395397. The reversal of 49395390 is 9359394.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49395397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 837181 + ... + 837239.

It is an arithmetic number, because the mean of its divisors is an integer number (1402236).

Almost surely, 2^49395390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49395390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67307328).

49395390 is an abundant number, since it is smaller than the sum of its proper divisors (85219266).

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

49395390 is a wasteful number, since it uses less digits than its factorization.

49395390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 49395390 is about 7028.1853988067. The cubic root of 49395390 is about 366.9121890952.

The spelling of 49395390 in words is "forty-nine million, three hundred ninety-five thousand, three hundred ninety".