1942427 has 4 divisors (see below), whose sum is σ = 2044680. Its totient is φ = 1840176.

The previous prime is 1942417. The next prime is 1942433. The reversal of 1942427 is 7242491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7242491 = 37 ⋅195743.

It is a cyclic number.

It is not a de Polignac number, because 1942427 - 2⁴ = 1942411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1942427.

It is not an unprimeable number, because it can be changed into a prime (1942417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51098 + ... + 51135.

It is an arithmetic number, because the mean of its divisors is an integer number (511170).

2^1942427 is an apocalyptic number.

1942427 is a deficient number, since it is larger than the sum of its proper divisors (102253).

1942427 is a wasteful number, since it uses less digits than its factorization.

1942427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102252.

The product of its digits is 4032, while the sum is 29.

The square root of 1942427 is about 1393.7097976265. The cubic root of 1942427 is about 124.7713580378.

The spelling of 1942427 in words is "one million, nine hundred forty-two thousand, four hundred twenty-seven".