3977469 has 12 divisors (see below), whose sum is σ = 5868096. Its totient is φ = 2594952.

The previous prime is 3977461. The next prime is 3977471. The reversal of 3977469 is 9647793.

It is not a de Polignac number, because 3977469 - 2³ = 3977461 is a prime.

It is a super-2 number, since 2×3977469² = 31640519291922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4279 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (489008).

Almost surely, 2^3977469 is an apocalyptic number.

It is an amenable number.

3977469 is a deficient number, since it is larger than the sum of its proper divisors (1890627).

3977469 is a wasteful number, since it uses less digits than its factorization.

3977469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456 (or 9453 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 3977469 is about 1994.3592956135. The cubic root of 3977469 is about 158.4414960536.

The spelling of 3977469 in words is "three million, nine hundred seventy-seven thousand, four hundred sixty-nine".