30148887 has 8 divisors (see below), whose sum is σ = 40232304. Its totient is φ = 20082368.

The previous prime is 30148879. The next prime is 30148889. The reversal of 30148887 is 78884103.

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 30148887 - 2³ = 30148879 is a prime.

It is a super-3 number, since 3×30148887³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148889) 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, 793 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (5029038).

Almost surely, 2^30148887 is an apocalyptic number.

30148887 is a deficient number, since it is larger than the sum of its proper divisors (10083417).

30148887 is a wasteful number, since it uses less digits than its factorization.

30148887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 30148887 is about 5490.8002149049. The cubic root of 30148887 is about 311.2364320467.

The spelling of 30148887 in words is "thirty million, one hundred forty-eight thousand, eight hundred eighty-seven".