3727386 has 48 divisors (see below), whose sum is σ = 9218664. Its totient is φ = 1078272.

The previous prime is 3727313. The next prime is 3727387. The reversal of 3727386 is 6837273.

It can be written as a sum of positive squares in 4 ways, for example, as 2117025 + 1610361 = 1455^2 + 1269^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3⁶ + 7 + 2²¹ + 7⁴ + 3¹³ + 8⁵ + 6 .

It is a self number, because there is not a number n which added to its sum of digits gives 3727386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3727387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3510 + ... + 4446.

Almost surely, 2^3727386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3727386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4609332).

3727386 is an abundant number, since it is smaller than the sum of its proper divisors (5491278).

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

3727386 is a wasteful number, since it uses less digits than its factorization.

3727386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 972 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3727386 is about 1930.6439340282. The cubic root of 3727386 is about 155.0486978446.

The spelling of 3727386 in words is "three million, seven hundred twenty-seven thousand, three hundred eighty-six".