308241493 has 16 divisors (see below), whose sum is σ = 365028480. Its totient is φ = 254673216.

The previous prime is 308241491. The next prime is 308241497. The reversal of 308241493 is 394142803.

It is not a de Polignac number, because 308241493 - 2¹ = 308241491 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 (308241491) 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, 201630 + ... + 203152.

It is an arithmetic number, because the mean of its divisors is an integer number (22814280).

Almost surely, 2^308241493 is an apocalyptic number.

It is an amenable number.

308241493 is a deficient number, since it is larger than the sum of its proper divisors (56786987).

308241493 is a wasteful number, since it uses less digits than its factorization.

308241493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 308241493 is about 17556.8075970548. The cubic root of 308241493 is about 675.5077974987.

The spelling of 308241493 in words is "three hundred eight million, two hundred forty-one thousand, four hundred ninety-three".