249461493 has 8 divisors (see below), whose sum is σ = 335008800. Its totient is φ = 165110928.

The previous prime is 249461489. The next prime is 249461543. The reversal of 249461493 is 394164942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 249461493 - 2² = 249461489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249461413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298698 + ... + 299531.

It is an arithmetic number, because the mean of its divisors is an integer number (41876100).

Almost surely, 2^249461493 is an apocalyptic number.

It is an amenable number.

249461493 is a deficient number, since it is larger than the sum of its proper divisors (85547307).

249461493 is a wasteful number, since it uses less digits than its factorization.

249461493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598371.

The product of its digits is 186624, while the sum is 42.

The square root of 249461493 is about 15794.3500341103. The cubic root of 249461493 is about 629.5078822535.

The spelling of 249461493 in words is "two hundred forty-nine million, four hundred sixty-one thousand, four hundred ninety-three".