3766397 has 2 divisors, whose sum is σ = 3766398. Its totient is φ = 3766396.

The previous prime is 3766387. The next prime is 3766409. The reversal of 3766397 is 7936673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3728761 + 37636 = 1931^2 + 194^2 .

It is an emirp because it is prime and its reverse (7936673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3766397 - 2⁸ = 3766141 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 7³ + 6⁷ + 6⁷ + 3¹³ + 9³ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3766307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1883198 + 1883199.

It is an arithmetic number, because the mean of its divisors is an integer number (1883199).

Almost surely, 2^3766397 is an apocalyptic number.

It is an amenable number.

3766397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3766397 is an equidigital number, since it uses as much as digits as its factorization.

3766397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 41.

The square root of 3766397 is about 1940.7207424047. The cubic root of 3766397 is about 155.5877373515.

The spelling of 3766397 in words is "three million, seven hundred sixty-six thousand, three hundred ninety-seven".