748189 has 8 divisors (see below), whose sum is σ = 818720. Its totient is φ = 679536.

The previous prime is 748183. The next prime is 748199. The reversal of 748189 is 981847.

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

It is a de Polignac number, because none of the positive numbers 2^k-748189 is a prime.

It is a Duffinian number.

748189 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748183) 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, 442 + ... + 1300.

It is an arithmetic number, because the mean of its divisors is an integer number (102340).

2⁷⁴⁸¹⁸⁹ is an apocalyptic number.

It is an amenable number.

748189 is a deficient number, since it is larger than the sum of its proper divisors (70531).

748189 is a wasteful number, since it uses less digits than its factorization.

748189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its digits is 16128, while the sum is 37.

The square root of 748189 is about 864.9791905011. The cubic root of 748189 is about 90.7828416930.

The spelling of 748189 in words is "seven hundred forty-eight thousand, one hundred eighty-nine".