49028439 has 4 divisors (see below), whose sum is σ = 65371256. Its totient is φ = 32685624.

The previous prime is 49028437. The next prime is 49028443. The reversal of 49028439 is 93482094.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49028439 - 2¹ = 49028437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49028397 and 49028406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49028437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8171404 + ... + 8171409.

It is an arithmetic number, because the mean of its divisors is an integer number (16342814).

Almost surely, 2^49028439 is an apocalyptic number.

49028439 is a deficient number, since it is larger than the sum of its proper divisors (16342817).

49028439 is a wasteful number, since it uses less digits than its factorization.

49028439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16342816.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 49028439 is about 7002.0310624847. The cubic root of 49028439 is about 366.0013511850.

The spelling of 49028439 in words is "forty-nine million, twenty-eight thousand, four hundred thirty-nine".