49238289 has 9 divisors (see below), whose sum is σ = 71152393. Its totient is φ = 32811492.

The previous prime is 49238269. The next prime is 49238303. The reversal of 49238289 is 98283294.

The square root of 49238289 is 7017.

It is a perfect power (a square), and thus also a powerful number.

49238289 is a `hidden beast` number, since 492 + 3 + 82 + 89 = 666.

49238289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 49238289 - 2¹⁵ = 49205521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49238249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19882 + ... + 22220.

Almost surely, 2^49238289 is an apocalyptic number.

49238289 is the 7017-th square number.

49238289 is the 3509-th centered octagonal number.

It is an amenable number.

49238289 is a deficient number, since it is larger than the sum of its proper divisors (21914104).

49238289 is an frugal number, since it uses more digits than its factorization.

49238289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684 (or 2342 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The cubic root of 49238289 is about 366.5227904756.

It can be divided in two parts, 492 and 38289, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 49238289 in words is "forty-nine million, two hundred thirty-eight thousand, two hundred eighty-nine".