3964951 has 2 divisors, whose sum is σ = 3964952. Its totient is φ = 3964950.

The previous prime is 3964949. The next prime is 3964963. The reversal of 3964951 is 1594693.

It is a weak prime.

It is an emirp because it is prime and its reverse (1594693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3964951 - 2¹ = 3964949 is a prime.

Together with 3964949, it forms a pair of twin primes.

It is a Chen prime.

3964951 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3964951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982475 + 1982476.

It is an arithmetic number, because the mean of its divisors is an integer number (1982476).

Almost surely, 2^3964951 is an apocalyptic number.

3964951 is the 891-st centered decagonal number.

3964951 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964951 is an equidigital number, since it uses as much as digits as its factorization.

3964951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 3964951 is about 1991.2184711879. The cubic root of 3964951 is about 158.2751042268.

The spelling of 3964951 in words is "three million, nine hundred sixty-four thousand, nine hundred fifty-one".