30049994 has 16 divisors (see below), whose sum is σ = 49855848. Its totient is φ = 13493952.

The previous prime is 30049979. The next prime is 30050047. The reversal of 30049994 is 49994003.

It can be written as a sum of positive squares in 4 ways, for example, as 29430625 + 619369 = 5425^2 + 787^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14657 + ... + 16580.

Almost surely, 2^30049994 is an apocalyptic number.

30049994 is a deficient number, since it is larger than the sum of its proper divisors (19805854).

30049994 is a wasteful number, since it uses less digits than its factorization.

30049994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31289.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 30049994 is about 5481.7874821996. The cubic root of 30049994 is about 310.8957581181.

It can be divided in two parts, 3004999 and 4, that added together give a palindrome (3005003).

The spelling of 30049994 in words is "thirty million, forty-nine thousand, nine hundred ninety-four".