3896420 has 48 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 1393920.

The previous prime is 3896413. The next prime is 3896443. The reversal of 3896420 is 246983.

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, 19481 + ... + 19679.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

Almost surely, 2^3896420 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 3896420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536000).

3896420 is an abundant number, since it is smaller than the sum of its proper divisors (5175580).

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

3896420 is a wasteful number, since it uses less digits than its factorization.

3896420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3896420 is about 1973.9351559765. The cubic root of 3896420 is about 157.3579133450.

The spelling of 3896420 in words is "three million, eight hundred ninety-six thousand, four hundred twenty".