3771396 has 18 divisors (see below), whose sum is σ = 9533342. Its totient is φ = 1257120.

The previous prime is 3771377. The next prime is 3771407. The reversal of 3771396 is 6931773.

3771396 = 9² + 10² + ... + 224².

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 1166400 = 1614^2 + 1080^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 104761 = 3771396 / (3 + 7 + 7 + 1 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 3771396.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52345 + ... + 52416.

Almost surely, 2^3771396 is an apocalyptic number.

3771396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3771396 is an abundant number, since it is smaller than the sum of its proper divisors (5761946).

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

3771396 is a wasteful number, since it uses less digits than its factorization.

3771396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104771 (or 104766 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 3771396 is about 1942.0082389115. The cubic root of 3771396 is about 155.6565422106.

The spelling of 3771396 in words is "three million, seven hundred seventy-one thousand, three hundred ninety-six".