248389397 has 8 divisors (see below), whose sum is σ = 274435776. Its totient is φ = 223613632.

The previous prime is 248389373. The next prime is 248389409. The reversal of 248389397 is 793983842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248389397 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 (248389327) 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, 317243 + ... + 318024.

It is an arithmetic number, because the mean of its divisors is an integer number (34304472).

Almost surely, 2^248389397 is an apocalyptic number.

It is an amenable number.

248389397 is a deficient number, since it is larger than the sum of its proper divisors (26046379).

248389397 is a wasteful number, since it uses less digits than its factorization.

248389397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635307.

The product of its digits is 2612736, while the sum is 53.

The square root of 248389397 is about 15760.3742658606. The cubic root of 248389397 is about 628.6047876112.

The spelling of 248389397 in words is "two hundred forty-eight million, three hundred eighty-nine thousand, three hundred ninety-seven".