3704861 has 4 divisors (see below), whose sum is σ = 3922812. Its totient is φ = 3486912.

The previous prime is 3704849. The next prime is 3704873. The reversal of 3704861 is 1684073.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1684073 = 107 ⋅15739.

It is an interprime number because it is at equal distance from previous prime (3704849) and next prime (3704873).

It can be written as a sum of positive squares in 2 ways, for example, as 3171961 + 532900 = 1781^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 3704861 - 2¹⁸ = 3442717 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 (3704821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108950 + ... + 108983.

It is an arithmetic number, because the mean of its divisors is an integer number (980703).

Almost surely, 2^3704861 is an apocalyptic number.

It is an amenable number.

3704861 is a deficient number, since it is larger than the sum of its proper divisors (217951).

3704861 is a wasteful number, since it uses less digits than its factorization.

3704861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217950.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3704861 is about 1924.8015482122. The cubic root of 3704861 is about 154.7357411896.

The spelling of 3704861 in words is "three million, seven hundred four thousand, eight hundred sixty-one".