3972677 has 4 divisors (see below), whose sum is σ = 3976716. Its totient is φ = 3968640.

The previous prime is 3972671. The next prime is 3972697. The reversal of 3972677 is 7762793.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7762793 = 919 ⋅8447.

It can be written as a sum of positive squares in 2 ways, for example, as 3334276 + 638401 = 1826^2 + 799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3972677 is a prime.

It is a d-powerful number, because it can be written as 3 + 9⁵ + 7⁴ + 2²¹ + 6⁸ + 7⁵ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (994179).

Almost surely, 2^3972677 is an apocalyptic number.

It is an amenable number.

3972677 is a deficient number, since it is larger than the sum of its proper divisors (4039).

3972677 is a wasteful number, since it uses less digits than its factorization.

3972677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its digits is 111132, while the sum is 41.

The square root of 3972677 is about 1993.1575452031. The cubic root of 3972677 is about 158.3778411041.

The spelling of 3972677 in words is "three million, nine hundred seventy-two thousand, six hundred seventy-seven".