3948619 has 2 divisors, whose sum is σ = 3948620. Its totient is φ = 3948618.

The previous prime is 3948613. The next prime is 3948653. The reversal of 3948619 is 9168493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3948619 - 2¹¹ = 3946571 is a prime.

It is a super-2 number, since 2×3948619² = 31183184014322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3948613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974309 + 1974310.

It is an arithmetic number, because the mean of its divisors is an integer number (1974310).

Almost surely, 2^3948619 is an apocalyptic number.

3948619 is a deficient number, since it is larger than the sum of its proper divisors (1).

3948619 is an equidigital number, since it uses as much as digits as its factorization.

3948619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 3948619 is about 1987.1132328078. The cubic root of 3948619 is about 158.0574885605.

The spelling of 3948619 in words is "three million, nine hundred forty-eight thousand, six hundred nineteen".