1942499 has 4 divisors (see below), whose sum is σ = 2091936. Its totient is φ = 1793064.

The previous prime is 1942487. The next prime is 1942519. The reversal of 1942499 is 9942491.

It is a happy number.

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

It is not a de Polignac number, because 1942499 - 2⁴ = 1942483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942459) 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, 74699 + ... + 74724.

It is an arithmetic number, because the mean of its divisors is an integer number (522984).

2^1942499 is an apocalyptic number.

1942499 is a deficient number, since it is larger than the sum of its proper divisors (149437).

1942499 is a wasteful number, since it uses less digits than its factorization.

1942499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149436.

The product of its digits is 23328, while the sum is 38.

The square root of 1942499 is about 1393.7356277286. The cubic root of 1942499 is about 124.7728996533.

The spelling of 1942499 in words is "one million, nine hundred forty-two thousand, four hundred ninety-nine".