4098390 has 32 divisors (see below), whose sum is σ = 9987840. Its totient is φ = 1076064.

The previous prime is 4098389. The next prime is 4098403. The reversal of 4098390 is 938904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (312120).

Almost surely, 2^4098390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4098390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4993920).

4098390 is an abundant number, since it is smaller than the sum of its proper divisors (5889450).

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

4098390 is a wasteful number, since it uses less digits than its factorization.

4098390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 4098390 is about 2024.4480729325. The cubic root of 4098390 is about 160.0311137409.

The spelling of 4098390 in words is "four million, ninety-eight thousand, three hundred ninety".