49436439 has 16 divisors (see below), whose sum is σ = 72328032. Its totient is φ = 29847168.

The previous prime is 49436437. The next prime is 49436441. The reversal of 49436439 is 93463494.

It is an interprime number because it is at equal distance from previous prime (49436437) and next prime (49436441).

It is not a de Polignac number, because 49436439 - 2¹ = 49436437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49436439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49436437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9892 + ... + 14025.

It is an arithmetic number, because the mean of its divisors is an integer number (4520502).

Almost surely, 2^49436439 is an apocalyptic number.

49436439 is a deficient number, since it is larger than the sum of its proper divisors (22891593).

49436439 is a wasteful number, since it uses less digits than its factorization.

49436439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23986.

The product of its digits is 279936, while the sum is 42.

The square root of 49436439 is about 7031.1051051737. The cubic root of 49436439 is about 367.0137991728.

The spelling of 49436439 in words is "forty-nine million, four hundred thirty-six thousand, four hundred thirty-nine".