30884628 has 24 divisors (see below), whose sum is σ = 72158688. Its totient is φ = 10281376.

The previous prime is 30884627. The next prime is 30884629. The reversal of 30884628 is 82648803.

It is an interprime number because it is at equal distance from previous prime (30884627) and next prime (30884629).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30884627) 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, 12850 + ... + 15062.

It is an arithmetic number, because the mean of its divisors is an integer number (3006612).

Almost surely, 2^30884628 is an apocalyptic number.

It is an amenable number.

30884628 is an abundant number, since it is smaller than the sum of its proper divisors (41274060).

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

30884628 is a wasteful number, since it uses less digits than its factorization.

30884628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 30884628 is about 5557.3939935909. The cubic root of 30884628 is about 313.7478739347.

The spelling of 30884628 in words is "thirty million, eight hundred eighty-four thousand, six hundred twenty-eight".