49417930 has 16 divisors (see below), whose sum is σ = 90411624. Its totient is φ = 19442880.

The previous prime is 49417919. The next prime is 49417931. The reversal of 49417930 is 3971494.

49417930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11336689 + 38081241 = 3367^2 + 6171^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49417930.

It is not an unprimeable number, because it can be changed into a prime (49417931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39897 + ... + 41116.

Almost surely, 2^49417930 is an apocalyptic number.

49417930 is a deficient number, since it is larger than the sum of its proper divisors (40993694).

49417930 is a wasteful number, since it uses less digits than its factorization.

49417930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81081.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 49417930 is about 7029.7887592729. The cubic root of 49417930 is about 366.9679901400.

It can be divided in two parts, 494179 and 30, that added together give a square (494209 = 703²).

The spelling of 49417930 in words is "forty-nine million, four hundred seventeen thousand, nine hundred thirty".