1942213 has 12 divisors (see below), whose sum is σ = 2433900. Its totient is φ = 1536192.

The previous prime is 1942207. The next prime is 1942273. The reversal of 1942213 is 3122491.

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 1695204 = 497^2 + 1302^2 .

It is not a de Polignac number, because 1942213 - 2¹³ = 1934021 is a prime.

1942213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942273) 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, 888 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (202825).

2^1942213 is an apocalyptic number.

1942213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1942213 is a deficient number, since it is larger than the sum of its proper divisors (491687).

1942213 is a wasteful number, since it uses less digits than its factorization.

1942213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076 (or 3069 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 1942213 is about 1393.6330219968. The cubic root of 1942213 is about 124.7667757890.

The spelling of 1942213 in words is "one million, nine hundred forty-two thousand, two hundred thirteen".