3748866 has 32 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 1120080.

The previous prime is 3748847. The next prime is 3748867. The reversal of 3748866 is 6688473.

It is a d-powerful number, because it can be written as 3¹³ + 7⁵ + 4 + 8⁵ + 8⁷ + 6² + 6⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3748867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4855 + ... + 5573.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^3748866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3748866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4147200).

3748866 is an abundant number, since it is smaller than the sum of its proper divisors (4545534).

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

3748866 is a wasteful number, since it uses less digits than its factorization.

3748866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 193536, while the sum is 42.

The square root of 3748866 is about 1936.1988534239. The cubic root of 3748866 is about 155.3459632670.

The spelling of 3748866 in words is "three million, seven hundred forty-eight thousand, eight hundred sixty-six".