30466861 has 4 divisors (see below), whose sum is σ = 32070400. Its totient is φ = 28863324.

The previous prime is 30466853. The next prime is 30466867. The reversal of 30466861 is 16866403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16866403 = 1217 ⋅13859.

It is a cyclic number.

It is not a de Polignac number, because 30466861 - 2³ = 30466853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30466867) 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 3 ways as a sum of consecutive naturals, for example, 801741 + ... + 801778.

It is an arithmetic number, because the mean of its divisors is an integer number (8017600).

Almost surely, 2^30466861 is an apocalyptic number.

It is an amenable number.

30466861 is a deficient number, since it is larger than the sum of its proper divisors (1603539).

30466861 is a wasteful number, since it uses less digits than its factorization.

30466861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603538.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 30466861 is about 5519.6794290973. The cubic root of 30466861 is about 312.3267895585.

The spelling of 30466861 in words is "thirty million, four hundred sixty-six thousand, eight hundred sixty-one".