3746866 has 4 divisors (see below), whose sum is σ = 5620302. Its totient is φ = 1873432.

The previous prime is 3746843. The next prime is 3746909. The reversal of 3746866 is 6686473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6686473 = 157 ⋅42589.

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 216225 = 1879^2 + 465^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936715 + ... + 936718.

Almost surely, 2^3746866 is an apocalyptic number.

3746866 is a deficient number, since it is larger than the sum of its proper divisors (1873436).

3746866 is a wasteful number, since it uses less digits than its factorization.

3746866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873435.

The product of its digits is 145152, while the sum is 40.

The square root of 3746866 is about 1935.6823086447. The cubic root of 3746866 is about 155.3183329388.

The spelling of 3746866 in words is "three million, seven hundred forty-six thousand, eight hundred sixty-six".