49438389 has 64 divisors (see below), whose sum is σ = 89929728. Its totient is φ = 23328000.

The previous prime is 49438379. The next prime is 49438421. The reversal of 49438389 is 98383494.

It is not a de Polignac number, because 49438389 - 2⁴ = 49438373 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49438309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303222 + ... + 303384.

It is an arithmetic number, because the mean of its divisors is an integer number (1405152).

Almost surely, 2^49438389 is an apocalyptic number.

It is an amenable number.

49438389 is a deficient number, since it is larger than the sum of its proper divisors (40491339).

49438389 is a wasteful number, since it uses less digits than its factorization.

49438389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298.

The product of its digits is 746496, while the sum is 48.

The square root of 49438389 is about 7031.2437733306. The cubic root of 49438389 is about 367.0186246788.

It can be divided in two parts, 494 and 38389, that added together give a palindrome (38883).

The spelling of 49438389 in words is "forty-nine million, four hundred thirty-eight thousand, three hundred eighty-nine".