49000979 has 4 divisors (see below), whose sum is σ = 49015176. Its totient is φ = 48986784.

The previous prime is 49000967. The next prime is 49000993. The reversal of 49000979 is 97900094.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49000979 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (49000079) 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, 1787 + ... + 10059.

It is an arithmetic number, because the mean of its divisors is an integer number (12253794).

Almost surely, 2^49000979 is an apocalyptic number.

49000979 is a deficient number, since it is larger than the sum of its proper divisors (14197).

49000979 is an equidigital number, since it uses as much as digits as its factorization.

49000979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14196.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 49000979 is about 7000.0699282221. The cubic root of 49000979 is about 365.9330080339.

The spelling of 49000979 in words is "forty-nine million, nine hundred seventy-nine", and thus it is an aban number.