30704984 has 8 divisors (see below), whose sum is σ = 57571860. Its totient is φ = 15352488.

The previous prime is 30704983. The next prime is 30705013. The reversal of 30704984 is 48940703.

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 (30704983) 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, 1919054 + ... + 1919069.

Almost surely, 2^30704984 is an apocalyptic number.

It is an amenable number.

30704984 is a deficient number, since it is larger than the sum of its proper divisors (26866876).

30704984 is a wasteful number, since it uses less digits than its factorization.

30704984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838129 (or 3838125 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30704984 is about 5541.2078105770. The cubic root of 30704984 is about 313.1383737646.

The spelling of 30704984 in words is "thirty million, seven hundred four thousand, nine hundred eighty-four".