30028492 has 12 divisors (see below), whose sum is σ = 56592256. Its totient is φ = 13859280.

The previous prime is 30028489. The next prime is 30028499. The reversal of 30028492 is 29482003.

It is a self number, because there is not a number n which added to its sum of digits gives 30028492.

It is not an unprimeable number, because it can be changed into a prime (30028499) 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, 288684 + ... + 288787.

Almost surely, 2^30028492 is an apocalyptic number.

It is an amenable number.

30028492 is a deficient number, since it is larger than the sum of its proper divisors (26563764).

30028492 is a wasteful number, since it uses less digits than its factorization.

30028492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577488 (or 577486 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30028492 is about 5479.8259096435. The cubic root of 30028492 is about 310.8215875468.

The spelling of 30028492 in words is "thirty million, twenty-eight thousand, four hundred ninety-two".