30955804 has 24 divisors (see below), whose sum is σ = 59714928. Its totient is φ = 13923840.

The previous prime is 30955801. The next prime is 30955811. The reversal of 30955804 is 40855903.

It is a self number, because there is not a number n which added to its sum of digits gives 30955804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30955801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (2488122).

Almost surely, 2^30955804 is an apocalyptic number.

It is an amenable number.

30955804 is a deficient number, since it is larger than the sum of its proper divisors (28759124).

30955804 is a wasteful number, since it uses less digits than its factorization.

30955804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365 (or 7363 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 30955804 is about 5563.7940292574. The cubic root of 30955804 is about 313.9887077227.

Subtracting 30955804 from its reverse (40855903), we obtain a palindrome (9900099).

The spelling of 30955804 in words is "thirty million, nine hundred fifty-five thousand, eight hundred four".