30801436 has 12 divisors (see below), whose sum is σ = 54296928. Its totient is φ = 15288032.

The previous prime is 30801371. The next prime is 30801443. The reversal of 30801436 is 63410803.

It is a self number, because there is not a number n which added to its sum of digits gives 30801436.

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, 27556 + ... + 28651.

It is an arithmetic number, because the mean of its divisors is an integer number (4524744).

Almost surely, 2^30801436 is an apocalyptic number.

It is an amenable number.

30801436 is a deficient number, since it is larger than the sum of its proper divisors (23495492).

30801436 is a wasteful number, since it uses less digits than its factorization.

30801436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56348 (or 56346 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30801436 is about 5549.9041433164. The cubic root of 30801436 is about 313.4659129098.

The spelling of 30801436 in words is "thirty million, eight hundred one thousand, four hundred thirty-six".