3642619 has 2 divisors, whose sum is σ = 3642620. Its totient is φ = 3642618.

The previous prime is 3642581. The next prime is 3642629. The reversal of 3642619 is 9162463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3642619 - 2⁷ = 3642491 is a prime.

It is a super-2 number, since 2×3642619² = 26537346358322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3642629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821309 + 1821310.

It is an arithmetic number, because the mean of its divisors is an integer number (1821310).

Almost surely, 2^3642619 is an apocalyptic number.

3642619 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642619 is an equidigital number, since it uses as much as digits as its factorization.

3642619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 3642619 is about 1908.5646439144. The cubic root of 3642619 is about 153.8643180028.

The spelling of 3642619 in words is "three million, six hundred forty-two thousand, six hundred nineteen".