3918732 has 12 divisors (see below), whose sum is σ = 9143736. Its totient is φ = 1306240.

The previous prime is 3918697. The next prime is 3918743. The reversal of 3918732 is 2378193.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3918693 and 3918702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163269 + ... + 163292.

It is an arithmetic number, because the mean of its divisors is an integer number (761978).

Almost surely, 2^3918732 is an apocalyptic number.

It is an amenable number.

3918732 is an abundant number, since it is smaller than the sum of its proper divisors (5225004).

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

3918732 is a wasteful number, since it uses less digits than its factorization.

3918732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326568 (or 326566 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 3918732 is about 1979.5787430663. The cubic root of 3918732 is about 157.6577004488.

The spelling of 3918732 in words is "three million, nine hundred eighteen thousand, seven hundred thirty-two".