30268493 has 4 divisors (see below), whose sum is σ = 31244928. Its totient is φ = 29292060.

The previous prime is 30268487. The next prime is 30268531. The reversal of 30268493 is 39486203.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 30268493 - 2⁶ = 30268429 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 (30268453) 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, 488171 + ... + 488232.

It is an arithmetic number, because the mean of its divisors is an integer number (7811232).

Almost surely, 2^30268493 is an apocalyptic number.

It is an amenable number.

30268493 is a deficient number, since it is larger than the sum of its proper divisors (976435).

30268493 is an equidigital number, since it uses as much as digits as its factorization.

30268493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976434.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 30268493 is about 5501.6809249538. The cubic root of 30268493 is about 311.6474657481.

The spelling of 30268493 in words is "thirty million, two hundred sixty-eight thousand, four hundred ninety-three".