3953898 has 48 divisors (see below), whose sum is σ = 9410856. Its totient is φ = 1192320.

The previous prime is 3953879. The next prime is 3953909. The reversal of 3953898 is 8983593.

It can be written as a sum of positive squares in 4 ways, for example, as 915849 + 3038049 = 957^2 + 1743^2 .

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, 14136 + ... + 14412.

Almost surely, 2^3953898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3953898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4705428).

3953898 is an abundant number, since it is smaller than the sum of its proper divisors (5456958).

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

3953898 is a wasteful number, since it uses less digits than its factorization.

3953898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 3953898 is about 1988.4410979458. The cubic root of 3953898 is about 158.1278940973.

It can be divided in two parts, 3953 and 898, that added together give a triangular number (4851 = T₉₈).

The spelling of 3953898 in words is "three million, nine hundred fifty-three thousand, eight hundred ninety-eight".