30493016 has 8 divisors (see below), whose sum is σ = 57174420. Its totient is φ = 15246504.

The previous prime is 30493013. The next prime is 30493027. The reversal of 30493016 is 61039403.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30493013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1905806 + ... + 1905821.

Almost surely, 2^30493016 is an apocalyptic number.

It is an amenable number.

30493016 is a deficient number, since it is larger than the sum of its proper divisors (26681404).

30493016 is a wasteful number, since it uses less digits than its factorization.

30493016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811633 (or 3811629 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30493016 is about 5522.0481707424. The cubic root of 30493016 is about 312.4161387774.

The spelling of 30493016 in words is "thirty million, four hundred ninety-three thousand, sixteen".