3906477 has 12 divisors (see below), whose sum is σ = 5707260. Its totient is φ = 2574528.

The previous prime is 3906473. The next prime is 3906479. The reversal of 3906477 is 7746093.

3906477 is a `hidden beast` number, since 3 + 9 + 0 + 647 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 2996361 = 954^2 + 1731^2 .

It is not a de Polignac number, because 3906477 - 2² = 3906473 is a prime.

3906477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906473) 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, 1638 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (475605).

Almost surely, 2^3906477 is an apocalyptic number.

It is an amenable number.

3906477 is a deficient number, since it is larger than the sum of its proper divisors (1800783).

3906477 is a wasteful number, since it uses less digits than its factorization.

3906477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 3906477 is about 1976.4809637333. The cubic root of 3906477 is about 157.4931818666.

The spelling of 3906477 in words is "three million, nine hundred six thousand, four hundred seventy-seven".