49870479 has 4 divisors (see below), whose sum is σ = 66493976. Its totient is φ = 33246984.

The previous prime is 49870477. The next prime is 49870481. The reversal of 49870479 is 97407894.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (49870477) and next prime (49870481).

It is not a de Polignac number, because 49870479 - 2¹ = 49870477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49870477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8311744 + ... + 8311749.

It is an arithmetic number, because the mean of its divisors is an integer number (16623494).

Almost surely, 2^49870479 is an apocalyptic number.

49870479 is a deficient number, since it is larger than the sum of its proper divisors (16623497).

49870479 is a wasteful number, since it uses less digits than its factorization.

49870479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623496.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 49870479 is about 7061.9033553285. The cubic root of 49870479 is about 368.0847684959.

The spelling of 49870479 in words is "forty-nine million, eight hundred seventy thousand, four hundred seventy-nine".