30287941 has 8 divisors (see below), whose sum is σ = 32459904. Its totient is φ = 28187280.

The previous prime is 30287923. The next prime is 30287947. The reversal of 30287941 is 14978203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30287941 - 2⁷ = 30287813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30287897 and 30287906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30287947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16945 + ... + 18646.

It is an arithmetic number, because the mean of its divisors is an integer number (4057488).

Almost surely, 2^30287941 is an apocalyptic number.

It is an amenable number.

30287941 is a deficient number, since it is larger than the sum of its proper divisors (2171963).

30287941 is a wasteful number, since it uses less digits than its factorization.

30287941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35651.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 30287941 is about 5503.4481009636. The cubic root of 30287941 is about 311.7141976498.

The spelling of 30287941 in words is "thirty million, two hundred eighty-seven thousand, nine hundred forty-one".