49438 has 8 divisors (see below), whose sum is σ = 78120. Its totient is φ = 23400.

The previous prime is 49433. The next prime is 49451. The reversal of 49438 is 83494.

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

It is a fibodiv number, since the Fibonacci-like sequence with seeds 494 and 38 contains 49438 itself.

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 (49433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613 + ... + 688.

It is an arithmetic number, because the mean of its divisors is an integer number (9765).

2⁴⁹⁴³⁸ is an apocalyptic number.

49438 is a deficient number, since it is larger than the sum of its proper divisors (28682).

49438 is a wasteful number, since it uses less digits than its factorization.

49438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its digits is 3456, while the sum is 28.

The square root of 49438 is about 222.3465763172. The cubic root of 49438 is about 36.7017662062.

The spelling of 49438 in words is "forty-nine thousand, four hundred thirty-eight".