49015389 has 8 divisors (see below), whose sum is σ = 65640160. Its totient is φ = 32533776.

The previous prime is 49015387. The next prime is 49015409. The reversal of 49015389 is 98351094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49015389 - 2¹ = 49015387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49015387) 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, 34987 + ... + 36360.

It is an arithmetic number, because the mean of its divisors is an integer number (8205020).

Almost surely, 2^49015389 is an apocalyptic number.

It is an amenable number.

49015389 is a deficient number, since it is larger than the sum of its proper divisors (16624771).

49015389 is a wasteful number, since it uses less digits than its factorization.

49015389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71579.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 49015389 is about 7001.0991279941. The cubic root of 49015389 is about 365.9688751937.

The spelling of 49015389 in words is "forty-nine million, fifteen thousand, three hundred eighty-nine".