1992426 has 16 divisors (see below), whose sum is σ = 4015200. Its totient is φ = 659088.

The previous prime is 1992409. The next prime is 1992433. The reversal of 1992426 is 6242991.

It is a super-2 number, since 2×1992426² = 7939522730952, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 361 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (250950).

2^1992426 is an apocalyptic number.

1992426 is an abundant number, since it is smaller than the sum of its proper divisors (2022774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1992426 is a wasteful number, since it uses less digits than its factorization.

1992426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533.

The product of its digits is 7776, while the sum is 33.

The square root of 1992426 is about 1411.5332089611. The cubic root of 1992426 is about 125.8328597656.

The spelling of 1992426 in words is "one million, nine hundred ninety-two thousand, four hundred twenty-six".