3642019 has 2 divisors, whose sum is σ = 3642020. Its totient is φ = 3642018.

The previous prime is 3641999. The next prime is 3642031. The reversal of 3642019 is 9102463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3642019 - 2⁵ = 3641987 is a prime.

It is a super-2 number, since 2×3642019² = 26528604792722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3641984 and 3642002.

It is not a weakly prime, because it can be changed into another prime (3642049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821009 + 1821010.

It is an arithmetic number, because the mean of its divisors is an integer number (1821010).

Almost surely, 2^3642019 is an apocalyptic number.

3642019 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642019 is an equidigital number, since it uses as much as digits as its factorization.

3642019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3642019 is about 1908.4074512535. The cubic root of 3642019 is about 153.8558695339.

The spelling of 3642019 in words is "three million, six hundred forty-two thousand, nineteen".