49400930 has 16 divisors (see below), whose sum is σ = 89006904. Its totient is φ = 19741440.

The previous prime is 49400927. The next prime is 49400951. The reversal of 49400930 is 3900494.

It is a happy number.

49400930 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 16785409 + 32615521 = 4097^2 + 5711^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49400893 and 49400902.

It is an unprimeable number.

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, 13940 + ... + 17120.

Almost surely, 2^49400930 is an apocalyptic number.

49400930 is a deficient number, since it is larger than the sum of its proper divisors (39605974).

49400930 is a wasteful number, since it uses less digits than its factorization.

49400930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 49400930 is about 7028.5795150941. The cubic root of 49400930 is about 366.9259057433.

The spelling of 49400930 in words is "forty-nine million, four hundred thousand, nine hundred thirty".