30158937 has 6 divisors (see below), whose sum is σ = 43562922. Its totient is φ = 20105952.

The previous prime is 30158923. The next prime is 30158983. The reversal of 30158937 is 73985103.

It can be written as a sum of positive squares in only one way, i.e., 30074256 + 84681 = 5484^2 + 291^2 .

It is not a de Polignac number, because 30158937 - 2⁶ = 30158873 is a prime.

It is a super-2 number, since 2×30158937² = 1819122961939938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30158237) 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 5 ways as a sum of consecutive naturals, for example, 1675488 + ... + 1675505.

It is an arithmetic number, because the mean of its divisors is an integer number (7260487).

Almost surely, 2^30158937 is an apocalyptic number.

It is an amenable number.

30158937 is a deficient number, since it is larger than the sum of its proper divisors (13403985).

30158937 is a wasteful number, since it uses less digits than its factorization.

30158937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350999 (or 3350996 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 30158937 is about 5491.7153058038. The cubic root of 30158937 is about 311.2710113072.

The spelling of 30158937 in words is "thirty million, one hundred fifty-eight thousand, nine hundred thirty-seven".