3936461 has 4 divisors (see below), whose sum is σ = 3961692. Its totient is φ = 3911232.

The previous prime is 3936437. The next prime is 3936463. The reversal of 3936461 is 1646393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1646393 = 7 ⋅235199.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 2579236 = 1165^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3936461 - 2¹⁸ = 3674317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936463) 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, 12380 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (990423).

Almost surely, 2^3936461 is an apocalyptic number.

It is an amenable number.

3936461 is a deficient number, since it is larger than the sum of its proper divisors (25231).

3936461 is a wasteful number, since it uses less digits than its factorization.

3936461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25230.

The product of its digits is 11664, while the sum is 32.

The square root of 3936461 is about 1984.0516626338. The cubic root of 3936461 is about 157.8950994124.

The spelling of 3936461 in words is "three million, nine hundred thirty-six thousand, four hundred sixty-one".