748989 has 6 divisors (see below), whose sum is σ = 1081886. Its totient is φ = 499320.

The previous prime is 748987. The next prime is 749011. The reversal of 748989 is 989847.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 116964 = 795^2 + 342^2 .

It is not a de Polignac number, because 748989 - 2¹ = 748987 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 (748981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41602 + ... + 41619.

2⁷⁴⁸⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

748989 is a deficient number, since it is larger than the sum of its proper divisors (332897).

748989 is a wasteful number, since it uses less digits than its factorization.

748989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83227 (or 83224 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 748989 is about 865.4415058223. The cubic root of 748989 is about 90.8151866413.

The spelling of 748989 in words is "seven hundred forty-eight thousand, nine hundred eighty-nine".