3946461 has 4 divisors (see below), whose sum is σ = 5261952. Its totient is φ = 2630972.

The previous prime is 3946447. The next prime is 3946463. The reversal of 3946461 is 1646493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1646493 = 3 ⋅548831.

It is a cyclic number.

It is not a de Polignac number, because 3946461 - 2⁵ = 3946429 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946463) 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, 657741 + ... + 657746.

It is an arithmetic number, because the mean of its divisors is an integer number (1315488).

Almost surely, 2^3946461 is an apocalyptic number.

It is an amenable number.

3946461 is a deficient number, since it is larger than the sum of its proper divisors (1315491).

3946461 is a wasteful number, since it uses less digits than its factorization.

3946461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315490.

The product of its digits is 15552, while the sum is 33.

The square root of 3946461 is about 1986.5701598484. The cubic root of 3946461 is about 158.0286894439.

Subtracting from 3946461 its reverse (1646493), we obtain a cube (2299968 = 132³).

The spelling of 3946461 in words is "three million, nine hundred forty-six thousand, four hundred sixty-one".