3977669 has 8 divisors (see below), whose sum is σ = 4332000. Its totient is φ = 3637872.

The previous prime is 3977663. The next prime is 3977681. The reversal of 3977669 is 9667793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3977669 - 2⁴ = 3977653 is a prime.

It is a super-2 number, since 2×3977669² = 31643701347122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059 + ... + 4160.

It is an arithmetic number, because the mean of its divisors is an integer number (541500).

Almost surely, 2^3977669 is an apocalyptic number.

It is an amenable number.

3977669 is a deficient number, since it is larger than the sum of its proper divisors (354331).

3977669 is a wasteful number, since it uses less digits than its factorization.

3977669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7267.

The product of its digits is 428652, while the sum is 47.

The square root of 3977669 is about 1994.4094363997. The cubic root of 3977669 is about 158.4441516593. Note that the first 3 decimals are identical.

The spelling of 3977669 in words is "three million, nine hundred seventy-seven thousand, six hundred sixty-nine".