3724861 has 8 divisors (see below), whose sum is σ = 4272320. Its totient is φ = 3181248.

The previous prime is 3724859. The next prime is 3724879. The reversal of 3724861 is 1684273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3724861 - 2¹ = 3724859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3724261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1570 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (534040).

Almost surely, 2^3724861 is an apocalyptic number.

It is an amenable number.

3724861 is a deficient number, since it is larger than the sum of its proper divisors (547459).

3724861 is a wasteful number, since it uses less digits than its factorization.

3724861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923.

The product of its digits is 8064, while the sum is 31.

The square root of 3724861 is about 1929.9898963466. The cubic root of 3724861 is about 155.0136789870.

The spelling of 3724861 in words is "three million, seven hundred twenty-four thousand, eight hundred sixty-one".