3898312 has 32 divisors (see below), whose sum is σ = 8236800. Its totient is φ = 1713600.

The previous prime is 3898303. The next prime is 3898319. The reversal of 3898312 is 2138983.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014 + ... + 3442.

It is an arithmetic number, because the mean of its divisors is an integer number (257400).

Almost surely, 2^3898312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3898312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4118400).

3898312 is an abundant number, since it is smaller than the sum of its proper divisors (4338488).

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

3898312 is a wasteful number, since it uses less digits than its factorization.

3898312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1473 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 3898312 is about 1974.4143435460. The cubic root of 3898312 is about 157.3833788575.

The spelling of 3898312 in words is "three million, eight hundred ninety-eight thousand, three hundred twelve".