3905474 has 4 divisors (see below), whose sum is σ = 5858214. Its totient is φ = 1952736.

The previous prime is 3905471. The next prime is 3905477. The reversal of 3905474 is 4745093.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3905471) and next prime (3905477).

It can be written as a sum of positive squares in only one way, i.e., 3829849 + 75625 = 1957^2 + 275^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3905474.

It is not an unprimeable number, because it can be changed into a prime (3905471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976367 + ... + 976370.

Almost surely, 2^3905474 is an apocalyptic number.

3905474 is a deficient number, since it is larger than the sum of its proper divisors (1952740).

3905474 is a wasteful number, since it uses less digits than its factorization.

3905474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952739.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3905474 is about 1976.2272136574. The cubic root of 3905474 is about 157.4797017597.

The spelling of 3905474 in words is "three million, nine hundred five thousand, four hundred seventy-four".