30805896 has 32 divisors (see below), whose sum is σ = 84016800. Its totient is φ = 9335040.

The previous prime is 30805891. The next prime is 30805903. The reversal of 30805896 is 69850803.

It is not an unprimeable number, because it can be changed into a prime (30805891) 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, 58081 + ... + 58608.

It is an arithmetic number, because the mean of its divisors is an integer number (2625525).

Almost surely, 2^30805896 is an apocalyptic number.

It is an amenable number.

30805896 is an abundant number, since it is smaller than the sum of its proper divisors (53210904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30805896 is a wasteful number, since it uses less digits than its factorization.

30805896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116709 (or 116705 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 30805896 is about 5550.3059375137. The cubic root of 30805896 is about 313.4810419718.

The spelling of 30805896 in words is "thirty million, eight hundred five thousand, eight hundred ninety-six".