1992074 has 16 divisors (see below), whose sum is σ = 3595200. Its totient is φ = 808704.

The previous prime is 1992073. The next prime is 1992079. The reversal of 1992074 is 4702991.

It is a self number, because there is not a number n which added to its sum of digits gives 1992074.

It is not an unprimeable number, because it can be changed into a prime (1992073) 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 7 ways as a sum of consecutive naturals, for example, 3479 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (224700).

2^1992074 is an apocalyptic number.

1992074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1992074 is a deficient number, since it is larger than the sum of its proper divisors (1603126).

1992074 is a wasteful number, since it uses less digits than its factorization.

1992074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1992074 is about 1411.4085163410. The cubic root of 1992074 is about 125.8254490721.

The spelling of 1992074 in words is "one million, nine hundred ninety-two thousand, seventy-four".