30666246 has 16 divisors (see below), whose sum is σ = 66050544. Its totient is φ = 9435744.

The previous prime is 30666241. The next prime is 30666257. The reversal of 30666246 is 64266603.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666241) 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, 196501 + ... + 196656.

It is an arithmetic number, because the mean of its divisors is an integer number (4128159).

Almost surely, 2^30666246 is an apocalyptic number.

30666246 is an abundant number, since it is smaller than the sum of its proper divisors (35384298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30666246 is a wasteful number, since it uses less digits than its factorization.

30666246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393175.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 30666246 is about 5537.7112600785. The cubic root of 30666246 is about 313.0066312089.

It can be divided in two parts, 3066624 and 6, that multiplied together give a cube (18399744 = 264³).

The spelling of 30666246 in words is "thirty million, six hundred sixty-six thousand, two hundred forty-six".