3972377 has 2 divisors, whose sum is σ = 3972378. Its totient is φ = 3972376.

The previous prime is 3972359. The next prime is 3972413. The reversal of 3972377 is 7732793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2374681 + 1597696 = 1541^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 3972377 - 2¹⁴ = 3955993 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3972377.

It is not a weakly prime, because it can be changed into another prime (3972877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986188 + 1986189.

It is an arithmetic number, because the mean of its divisors is an integer number (1986189).

Almost surely, 2^3972377 is an apocalyptic number.

It is an amenable number.

3972377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3972377 is an equidigital number, since it uses as much as digits as its factorization.

3972377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55566, while the sum is 38.

The square root of 3972377 is about 1993.0822863093. The cubic root of 3972377 is about 158.3738543257.

The spelling of 3972377 in words is "three million, nine hundred seventy-two thousand, three hundred seventy-seven".