1992098 has 4 divisors (see below), whose sum is σ = 2988150. Its totient is φ = 996048.

The previous prime is 1992079. The next prime is 1992101. The reversal of 1992098 is 8902991.

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

It can be written as a sum of positive squares in only one way, i.e., 1194649 + 797449 = 1093^2 + 893^2 .

It is an unprimeable number.

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, 498023 + ... + 498026.

2^1992098 is an apocalyptic number.

1992098 is a deficient number, since it is larger than the sum of its proper divisors (996052).

1992098 is an equidigital number, since it uses as much as digits as its factorization.

1992098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996051.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1992098 is about 1411.4170184605. The cubic root of 1992098 is about 125.8259543744.

The spelling of 1992098 in words is "one million, nine hundred ninety-two thousand, ninety-eight".