940819 has 12 divisors (see below), whose sum is σ = 1072440. Its totient is φ = 818400.

The previous prime is 940817. The next prime is 940829. The reversal of 940819 is 918049.

It is not a de Polignac number, because 940819 - 2¹ = 940817 is a prime.

It is a super-2 number, since 2×940819² = 1770280781522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10527 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (89370).

2⁹⁴⁰⁸¹⁹ is an apocalyptic number.

940819 is a deficient number, since it is larger than the sum of its proper divisors (131621).

940819 is a wasteful number, since it uses less digits than its factorization.

940819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 940819 is about 969.9582465240. The cubic root of 940819 is about 97.9870522947.

The spelling of 940819 in words is "nine hundred forty thousand, eight hundred nineteen".