30890466 has 48 divisors (see below), whose sum is σ = 72203040. Its totient is φ = 9512640.

The previous prime is 30890459. The next prime is 30890521. The reversal of 30890466 is 66409803.

It is a self number, because there is not a number n which added to its sum of digits gives 30890466.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12921 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (1504230).

Almost surely, 2^30890466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30890466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36101520).

30890466 is an abundant number, since it is smaller than the sum of its proper divisors (41312574).

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

30890466 is a wasteful number, since it uses less digits than its factorization.

30890466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 30890466 is about 5557.9192149581. The cubic root of 30890466 is about 313.7676415322.

The spelling of 30890466 in words is "thirty million, eight hundred ninety thousand, four hundred sixty-six".