3954719 has 2 divisors, whose sum is σ = 3954720. Its totient is φ = 3954718.

The previous prime is 3954707. The next prime is 3954749. The reversal of 3954719 is 9174593.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3954719 - 2¹⁶ = 3889183 is a prime.

It is a super-2 number, since 2×3954719² = 31279604737922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3954749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977359 + 1977360.

It is an arithmetic number, because the mean of its divisors is an integer number (1977360).

Almost surely, 2^3954719 is an apocalyptic number.

3954719 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954719 is an equidigital number, since it uses as much as digits as its factorization.

3954719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 3954719 is about 1988.6475303583. The cubic root of 3954719 is about 158.1388380668.

The spelling of 3954719 in words is "three million, nine hundred fifty-four thousand, seven hundred nineteen".