30204861 has 8 divisors (see below), whose sum is σ = 40464864. Its totient is φ = 20040720.

The previous prime is 30204857. The next prime is 30204887. The reversal of 30204861 is 16840203.

It is a happy number.

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

It is not a de Polignac number, because 30204861 - 2² = 30204857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30204841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23226 + ... + 24491.

It is an arithmetic number, because the mean of its divisors is an integer number (5058108).

Almost surely, 2^30204861 is an apocalyptic number.

It is an amenable number.

30204861 is a deficient number, since it is larger than the sum of its proper divisors (10260003).

30204861 is a wasteful number, since it uses less digits than its factorization.

30204861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47931.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30204861 is about 5495.8949225763. The cubic root of 30204861 is about 311.4289253646.

The spelling of 30204861 in words is "thirty million, two hundred four thousand, eight hundred sixty-one".