248607389 has 4 divisors (see below), whose sum is σ = 250096224. Its totient is φ = 247118556.

The previous prime is 248607377. The next prime is 248607397. The reversal of 248607389 is 983706842.

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, and also an emirpimes, since its reverse is a distinct semiprime: 983706842 = 2 ⋅491853421.

It is a cyclic number.

It is not a de Polignac number, because 248607389 - 2¹² = 248603293 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 (248607089) 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, 744167 + ... + 744500.

It is an arithmetic number, because the mean of its divisors is an integer number (62524056).

Almost surely, 2^248607389 is an apocalyptic number.

It is an amenable number.

248607389 is a deficient number, since it is larger than the sum of its proper divisors (1488835).

248607389 is a wasteful number, since it uses less digits than its factorization.

248607389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488834.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 248607389 is about 15767.2885747677. The cubic root of 248607389 is about 628.7886263056.

The spelling of 248607389 in words is "two hundred forty-eight million, six hundred seven thousand, three hundred eighty-nine".