3900798 has 60 divisors (see below), whose sum is σ = 9655800. Its totient is φ = 1176120.

The previous prime is 3900779. The next prime is 3900817. The reversal of 3900798 is 8970093.

It is an interprime number because it is at equal distance from previous prime (3900779) and next prime (3900817).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19503 + ... + 19701.

It is an arithmetic number, because the mean of its divisors is an integer number (160930).

Almost surely, 2^3900798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3900798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4827900).

3900798 is an abundant number, since it is smaller than the sum of its proper divisors (5755002).

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

3900798 is a wasteful number, since it uses less digits than its factorization.

3900798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3900798 is about 1975.0437969827. The cubic root of 3900798 is about 157.4168268336.

The spelling of 3900798 in words is "three million, nine hundred thousand, seven hundred ninety-eight".