3894732 has 18 divisors (see below), whose sum is σ = 9845108. Its totient is φ = 1298232.

The previous prime is 3894707. The next prime is 3894733. The reversal of 3894732 is 2374983.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 108187 = 3894732 / (3 + 8 + 9 + 4 + 7 + 3 + 2).

It is a d-powerful number, because it can be written as 3⁸ + 8⁷ + 9² + 4⁸ + 7 + 3¹³ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (3894733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54058 + ... + 54129.

Almost surely, 2^3894732 is an apocalyptic number.

It is an amenable number.

3894732 is an abundant number, since it is smaller than the sum of its proper divisors (5950376).

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

3894732 is a wasteful number, since it uses less digits than its factorization.

3894732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108197 (or 108192 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3894732 is about 1973.5075373558. The cubic root of 3894732 is about 157.3351866263.

The spelling of 3894732 in words is "three million, eight hundred ninety-four thousand, seven hundred thirty-two".