30924493 has 4 divisors (see below), whose sum is σ = 31508028. Its totient is φ = 30340960.

The previous prime is 30924463. The next prime is 30924497. The reversal of 30924493 is 39442903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39442903 = 163 ⋅241981.

It can be written as a sum of positive squares in 2 ways, for example, as 25532809 + 5391684 = 5053^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 30924493 - 2⁵ = 30924461 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 (30924497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291688 + ... + 291793.

It is an arithmetic number, because the mean of its divisors is an integer number (7877007).

Almost surely, 2^30924493 is an apocalyptic number.

It is an amenable number.

30924493 is a deficient number, since it is larger than the sum of its proper divisors (583535).

30924493 is an equidigital number, since it uses as much as digits as its factorization.

30924493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583534.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 30924493 is about 5560.9795000521. The cubic root of 30924493 is about 313.8828081743.

The spelling of 30924493 in words is "thirty million, nine hundred twenty-four thousand, four hundred ninety-three".