30946493 has 4 divisors (see below), whose sum is σ = 30958368. Its totient is φ = 30934620.

The previous prime is 30946441. The next prime is 30946499. The reversal of 30946493 is 39464903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39464903 = 37 ⋅1066619.

It is a cyclic number.

It is not a de Polignac number, because 30946493 - 2¹⁰ = 30945469 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 (30946499) 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, 143 + ... + 7868.

It is an arithmetic number, because the mean of its divisors is an integer number (7739592).

Almost surely, 2^30946493 is an apocalyptic number.

It is an amenable number.

30946493 is a deficient number, since it is larger than the sum of its proper divisors (11875).

30946493 is an equidigital number, since it uses as much as digits as its factorization.

30946493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 30946493 is about 5562.9572171643. The cubic root of 30946493 is about 313.9572236750.

The spelling of 30946493 in words is "thirty million, nine hundred forty-six thousand, four hundred ninety-three".