30684412 has 12 divisors (see below), whose sum is σ = 58579416. Its totient is φ = 13947440.

The previous prime is 30684383. The next prime is 30684419. The reversal of 30684412 is 21448603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30684419) 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, 348643 + ... + 348730.

It is an arithmetic number, because the mean of its divisors is an integer number (4881618).

Almost surely, 2^30684412 is an apocalyptic number.

It is an amenable number.

30684412 is a deficient number, since it is larger than the sum of its proper divisors (27895004).

30684412 is a wasteful number, since it uses less digits than its factorization.

30684412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697388 (or 697386 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 30684412 is about 5539.3512255498. The cubic root of 30684412 is about 313.0684250572.

The spelling of 30684412 in words is "thirty million, six hundred eighty-four thousand, four hundred twelve".