748389 has 4 divisors (see below), whose sum is σ = 997856. Its totient is φ = 498924.

The previous prime is 748387. The next prime is 748441. The reversal of 748389 is 983847.

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 not a de Polignac number, because 748389 - 2¹ = 748387 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748387) 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, 124729 + ... + 124734.

It is an arithmetic number, because the mean of its divisors is an integer number (249464).

2⁷⁴⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

748389 is a deficient number, since it is larger than the sum of its proper divisors (249467).

748389 is a wasteful number, since it uses less digits than its factorization.

748389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249466.

The product of its digits is 48384, while the sum is 39.

The square root of 748389 is about 865.0947924939. The cubic root of 748389 is about 90.7909300908.

It can be divided in two parts, 74838 and 9, that added together give a palindrome (74847).

The spelling of 748389 in words is "seven hundred forty-eight thousand, three hundred eighty-nine".