30876890 has 16 divisors (see below), whose sum is σ = 60631200. Its totient is φ = 11227920.

The previous prime is 30876889. The next prime is 30876893. The reversal of 30876890 is 9867803.

It is not an unprimeable number, because it can be changed into a prime (30876893) 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, 140240 + ... + 140459.

It is an arithmetic number, because the mean of its divisors is an integer number (3789450).

Almost surely, 2^30876890 is an apocalyptic number.

30876890 is a deficient number, since it is larger than the sum of its proper divisors (29754310).

30876890 is a wasteful number, since it uses less digits than its factorization.

30876890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280717.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 30876890 is about 5556.6977603609. The cubic root of 30876890 is about 313.7216690555.

The spelling of 30876890 in words is "thirty million, eight hundred seventy-six thousand, eight hundred ninety".