3894672 has 40 divisors (see below), whose sum is σ = 10311840. Its totient is φ = 1265920.

The previous prime is 3894637. The next prime is 3894673. The reversal of 3894672 is 2764983.

It is a self number, because there is not a number n which added to its sum of digits gives 3894672.

It is not an unprimeable number, because it can be changed into a prime (3894673) 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, 979 + ... + 2957.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

Almost surely, 2^3894672 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 3894672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5155920).

3894672 is an abundant number, since it is smaller than the sum of its proper divisors (6417168).

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

3894672 is a wasteful number, since it uses less digits than its factorization.

3894672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2025 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3894672 is about 1973.4923359365. The cubic root of 3894672 is about 157.3343786837.

The spelling of 3894672 in words is "three million, eight hundred ninety-four thousand, six hundred seventy-two".