3724866 has 20 divisors (see below), whose sum is σ = 8346822. Its totient is φ = 1241568.

The previous prime is 3724859. The next prime is 3724879. The reversal of 3724866 is 6684273.

It can be written as a sum of positive squares in only one way, i.e., 2653641 + 1071225 = 1629^2 + 1035^2 .

It is a d-powerful number, because it can be written as 3¹³ + 7⁵ + 2²¹ + 4⁵ + 8 + 6⁵ + 6⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 3724866.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11335 + ... + 11658.

Almost surely, 2^3724866 is an apocalyptic number.

3724866 is an abundant number, since it is smaller than the sum of its proper divisors (4621956).

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

3724866 is a wasteful number, since it uses less digits than its factorization.

3724866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23007 (or 22998 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3724866 is about 1929.9911916897. The cubic root of 3724866 is about 155.0137483469.

The spelling of 3724866 in words is "three million, seven hundred twenty-four thousand, eight hundred sixty-six".