30857114 has 4 divisors (see below), whose sum is σ = 46285674. Its totient is φ = 15428556.

The previous prime is 30857111. The next prime is 30857117. The reversal of 30857114 is 41175803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41175803 = 229 ⋅179807.

It is an interprime number because it is at equal distance from previous prime (30857111) and next prime (30857117).

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 3869089 = 5195^2 + 1967^2 .

It is a super-2 number, since 2×30857114² = 1904322968817992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30857111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7714277 + ... + 7714280.

Almost surely, 2^30857114 is an apocalyptic number.

30857114 is a deficient number, since it is larger than the sum of its proper divisors (15428560).

30857114 is a wasteful number, since it uses less digits than its factorization.

30857114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15428559.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 30857114 is about 5554.9180011950. The cubic root of 30857114 is about 313.6546773697.

The spelling of 30857114 in words is "thirty million, eight hundred fifty-seven thousand, one hundred fourteen".