30287994 has 24 divisors (see below), whose sum is σ = 66585120. Its totient is φ = 9177960.

The previous prime is 30287993. The next prime is 30288007. The reversal of 30287994 is 49978203.

It is not an unprimeable number, because it can be changed into a prime (30287993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20134 + ... + 21585.

It is an arithmetic number, because the mean of its divisors is an integer number (2774380).

Almost surely, 2^30287994 is an apocalyptic number.

30287994 is an abundant number, since it is smaller than the sum of its proper divisors (36297126).

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

30287994 is a wasteful number, since it uses less digits than its factorization.

30287994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41746 (or 41735 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 30287994 is about 5503.4529161246. The cubic root of 30287994 is about 311.7143794696.

The spelling of 30287994 in words is "thirty million, two hundred eighty-seven thousand, nine hundred ninety-four".