30466890 has 48 divisors (see below), whose sum is σ = 83877768. Its totient is φ = 7646208.

The previous prime is 30466889. The next prime is 30466897. The reversal of 30466890 is 9866403.

It can be written as a sum of positive squares in 4 ways, for example, as 19793601 + 10673289 = 4449^2 + 3267^2 .

It is not an unprimeable number, because it can be changed into a prime (30466897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8427 + ... + 11486.

Almost surely, 2^30466890 is an apocalyptic number.

30466890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30466890 is an abundant number, since it is smaller than the sum of its proper divisors (53410878).

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

30466890 is a wasteful number, since it uses less digits than its factorization.

30466890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19943 (or 19940 counting only the distinct ones).

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

The square root of 30466890 is about 5519.6820560608. The cubic root of 30466890 is about 312.3268886549.

The spelling of 30466890 in words is "thirty million, four hundred sixty-six thousand, eight hundred ninety".