30266844 has 12 divisors (see below), whose sum is σ = 70622664. Its totient is φ = 10088944.

The previous prime is 30266809. The next prime is 30266849. The reversal of 30266844 is 44866203.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30266849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261107 + ... + 1261130.

It is an arithmetic number, because the mean of its divisors is an integer number (5885222).

Almost surely, 2^30266844 is an apocalyptic number.

It is an amenable number.

30266844 is an abundant number, since it is smaller than the sum of its proper divisors (40355820).

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

30266844 is a wasteful number, since it uses less digits than its factorization.

30266844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522244 (or 2522242 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 30266844 is about 5501.5310596233. The cubic root of 30266844 is about 311.6418062218.

It can be divided in two parts, 3026 and 6844, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 30266844 in words is "thirty million, two hundred sixty-six thousand, eight hundred forty-four".