49999306 has 48 divisors (see below), whose sum is σ = 91868040. Its totient is φ = 20321280.

The previous prime is 49999297. The next prime is 49999307. The reversal of 49999306 is 60399994.

It can be written as a sum of positive squares in 4 ways, for example, as 47734281 + 2265025 = 6909^2 + 1505^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 49999306.

It is not an unprimeable number, because it can be changed into a prime (49999307) 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 23 ways as a sum of consecutive naturals, for example, 207346 + ... + 207586.

Almost surely, 2^49999306 is an apocalyptic number.

49999306 is a deficient number, since it is larger than the sum of its proper divisors (41868734).

49999306 is a wasteful number, since it uses less digits than its factorization.

49999306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 49999306 is about 7071.0187384846. The cubic root of 49999306 is about 368.4014453776.

It can be divided in two parts, 49999 and 306, that added together give a palindrome (50305).

The spelling of 49999306 in words is "forty-nine million, nine hundred ninety-nine thousand, three hundred six".