249398495 has 8 divisors (see below), whose sum is σ = 306238416. Its totient is φ = 194878656.

The previous prime is 249398491. The next prime is 249398507. The reversal of 249398495 is 594893942.

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

It is a cyclic number.

It is not a de Polignac number, because 249398495 - 2² = 249398491 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 (249398491) 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, 579782 + ... + 580211.

It is an arithmetic number, because the mean of its divisors is an integer number (38279802).

Almost surely, 2^249398495 is an apocalyptic number.

249398495 is a deficient number, since it is larger than the sum of its proper divisors (56839921).

249398495 is a wasteful number, since it uses less digits than its factorization.

249398495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160041.

The product of its digits is 2799360, while the sum is 53.

The square root of 249398495 is about 15792.3555874353. The cubic root of 249398495 is about 629.4548866643.

The spelling of 249398495 in words is "two hundred forty-nine million, three hundred ninety-eight thousand, four hundred ninety-five".