30801844 has 12 divisors (see below), whose sum is σ = 54292000. Its totient is φ = 15289848.

The previous prime is 30801829. The next prime is 30801877. The reversal of 30801844 is 44810803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27144 + ... + 28255.

Almost surely, 2^30801844 is an apocalyptic number.

It is an amenable number.

30801844 is a deficient number, since it is larger than the sum of its proper divisors (23490156).

30801844 is a wasteful number, since it uses less digits than its factorization.

30801844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55542 (or 55540 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 30801844 is about 5549.9409005862. The cubic root of 30801844 is about 313.4672969744.

The spelling of 30801844 in words is "thirty million, eight hundred one thousand, eight hundred forty-four".