49261390 has 16 divisors (see below), whose sum is σ = 88811280. Its totient is φ = 19673280.

The previous prime is 49261379. The next prime is 49261391. The reversal of 49261390 is 9316294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49261391) 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 7 ways as a sum of consecutive naturals, for example, 3346 + ... + 10474.

It is an arithmetic number, because the mean of its divisors is an integer number (5550705).

Almost surely, 2^49261390 is an apocalyptic number.

49261390 is a deficient number, since it is larger than the sum of its proper divisors (39549890).

49261390 is a wasteful number, since it uses less digits than its factorization.

49261390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 49261390 is about 7018.6458807950. The cubic root of 49261390 is about 366.5801016952.

The spelling of 49261390 in words is "forty-nine million, two hundred sixty-one thousand, three hundred ninety".