1942919 has 4 divisors (see below), whose sum is σ = 2119560. Its totient is φ = 1766280.

The previous prime is 1942909. The next prime is 1942939. The reversal of 1942919 is 9192491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1942919 - 2²⁰ = 894343 is a prime.

It is a super-2 number, since 2×1942919² = 7549868481122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88304 + ... + 88325.

It is an arithmetic number, because the mean of its divisors is an integer number (529890).

2^1942919 is an apocalyptic number.

1942919 is a deficient number, since it is larger than the sum of its proper divisors (176641).

1942919 is a wasteful number, since it uses less digits than its factorization.

1942919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176640.

The product of its digits is 5832, while the sum is 35.

The square root of 1942919 is about 1393.8862937844. The cubic root of 1942919 is about 124.7818916513.

It can be divided in two parts, 194 and 2919, that added together give a palindrome (3113).

The spelling of 1942919 in words is "one million, nine hundred forty-two thousand, nine hundred nineteen".