248446397 has 4 divisors (see below), whose sum is σ = 248709696. Its totient is φ = 248183100.

The previous prime is 248446339. The next prime is 248446399. The reversal of 248446397 is 793644842.

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 248446397 - 2²² = 244252093 is a prime.

It is a super-2 number, since 2×248446397² = 123451224364563218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248446399) 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, 130229 + ... + 132122.

It is an arithmetic number, because the mean of its divisors is an integer number (62177424).

Almost surely, 2^248446397 is an apocalyptic number.

It is an amenable number.

248446397 is a deficient number, since it is larger than the sum of its proper divisors (263299).

248446397 is an equidigital number, since it uses as much as digits as its factorization.

248446397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263298.

The product of its digits is 1161216, while the sum is 47.

The square root of 248446397 is about 15762.1824948197. The cubic root of 248446397 is about 628.6528676727.

The spelling of 248446397 in words is "two hundred forty-eight million, four hundred forty-six thousand, three hundred ninety-seven".