940019 has 2 divisors, whose sum is σ = 940020. Its totient is φ = 940018.

The previous prime is 940003. The next prime is 940031. The reversal of 940019 is 910049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 940019 - 2⁴ = 940003 is a prime.

It is a super-2 number, since 2×940019² = 1767271440722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 939976 and 940003.

It is not a weakly prime, because it can be changed into another prime (940319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470009 + 470010.

It is an arithmetic number, because the mean of its divisors is an integer number (470010).

2⁹⁴⁰⁰¹⁹ is an apocalyptic number.

940019 is a deficient number, since it is larger than the sum of its proper divisors (1).

940019 is an equidigital number, since it uses as much as digits as its factorization.

940019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 940019 is about 969.5457699356. The cubic root of 940019 is about 97.9592708719.

The spelling of 940019 in words is "nine hundred forty thousand, nineteen".