30867896 has 8 divisors (see below), whose sum is σ = 57877320. Its totient is φ = 15433944.

The previous prime is 30867887. The next prime is 30867899. The reversal of 30867896 is 69876803.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30867896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30867899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929236 + ... + 1929251.

It is an arithmetic number, because the mean of its divisors is an integer number (7234665).

Almost surely, 2^30867896 is an apocalyptic number.

It is an amenable number.

30867896 is a deficient number, since it is larger than the sum of its proper divisors (27009424).

30867896 is a wasteful number, since it uses less digits than its factorization.

30867896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858493 (or 3858489 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 30867896 is about 5555.8884078066. Note that the first 3 decimals coincide. The cubic root of 30867896 is about 313.6912052070.

The spelling of 30867896 in words is "thirty million, eight hundred sixty-seven thousand, eight hundred ninety-six".