748890 has 48 divisors (see below), whose sum is σ = 1996488. Its totient is φ = 194688.

The previous prime is 748889. The next prime is 748921. The reversal of 748890 is 98847.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 145161 = 777^2 + 381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4692 + ... + 4848.

2⁷⁴⁸⁸⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998244).

748890 is an abundant number, since it is smaller than the sum of its proper divisors (1247598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748890 is a wasteful number, since it uses less digits than its factorization.

748890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 748890 is about 865.3843076923. The cubic root of 748890 is about 90.8111852031.

The spelling of 748890 in words is "seven hundred forty-eight thousand, eight hundred ninety".