3964251 has 4 divisors (see below), whose sum is σ = 5285672. Its totient is φ = 2642832.

The previous prime is 3964237. The next prime is 3964273. The reversal of 3964251 is 1524693.

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

It is not a de Polignac number, because 3964251 - 2⁷ = 3964123 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3964201) 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, 660706 + ... + 660711.

It is an arithmetic number, because the mean of its divisors is an integer number (1321418).

Almost surely, 2^3964251 is an apocalyptic number.

3964251 is a deficient number, since it is larger than the sum of its proper divisors (1321421).

3964251 is a wasteful number, since it uses less digits than its factorization.

3964251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321420.

The product of its digits is 6480, while the sum is 30.

The square root of 3964251 is about 1991.0426916568. The cubic root of 3964251 is about 158.2657893497.

It can be divided in two parts, 39642 and 51, that added together give a palindrome (39693).

The spelling of 3964251 in words is "three million, nine hundred sixty-four thousand, two hundred fifty-one".