1426992 has 80 divisors (see below), whose sum is σ = 4380672. Its totient is φ = 391680.

The previous prime is 1426991. The next prime is 1427017. The reversal of 1426992 is 2996241.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1426991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10348 + ... + 10484.

2^1426992 is an apocalyptic number.

1426992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2190336).

1426992 is an abundant number, since it is smaller than the sum of its proper divisors (2953680).

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

1426992 is a wasteful number, since it uses less digits than its factorization.

1426992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 180 counting only the distinct ones).

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

The square root of 1426992 is about 1194.5677042345. The cubic root of 1426992 is about 112.5832667501.

The spelling of 1426992 in words is "one million, four hundred twenty-six thousand, nine hundred ninety-two".