1992292 has 6 divisors (see below), whose sum is σ = 3486518. Its totient is φ = 996144.

The previous prime is 1992269. The next prime is 1992299. The reversal of 1992292 is 2922991.

It can be written as a sum of positive squares in only one way, i.e., 1313316 + 678976 = 1146^2 + 824^2 .

It is not an unprimeable number, because it can be changed into a prime (1992299) 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 as a sum of consecutive naturals, namely, 249033 + ... + 249040.

2^1992292 is an apocalyptic number.

It is an amenable number.

1992292 is a deficient number, since it is larger than the sum of its proper divisors (1494226).

1992292 is a wasteful number, since it uses less digits than its factorization.

1992292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498077 (or 498075 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 1992292 is about 1411.4857420463. The cubic root of 1992292 is about 125.8300387522.

The spelling of 1992292 in words is "one million, nine hundred ninety-two thousand, two hundred ninety-two".