30990463 has 16 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 25058592.

The previous prime is 30990419. The next prime is 30990493. The reversal of 30990463 is 36409903.

It is a cyclic number.

It is not a de Polignac number, because 30990463 - 2¹³ = 30982271 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 (30990403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51438 + ... + 52036.

It is an arithmetic number, because the mean of its divisors is an integer number (2340000).

Almost surely, 2^30990463 is an apocalyptic number.

30990463 is a deficient number, since it is larger than the sum of its proper divisors (6449537).

30990463 is a wasteful number, since it uses less digits than its factorization.

30990463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 30990463 is about 5566.9078490667. The cubic root of 30990463 is about 314.1058475831.

The spelling of 30990463 in words is "thirty million, nine hundred ninety thousand, four hundred sixty-three".