1426290 has 16 divisors (see below), whose sum is σ = 3423168. Its totient is φ = 380336.

The previous prime is 1426289. The next prime is 1426291. The reversal of 1426290 is 926241.

It is an interprime number because it is at equal distance from previous prime (1426289) and next prime (1426291).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426290.

It is not an unprimeable number, because it can be changed into a prime (1426291) 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, 23742 + ... + 23801.

It is an arithmetic number, because the mean of its divisors is an integer number (213948).

2^1426290 is an apocalyptic number.

1426290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1426290 is an abundant number, since it is smaller than the sum of its proper divisors (1996878).

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

1426290 is a wasteful number, since it uses less digits than its factorization.

1426290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47553.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1426290 is about 1194.2738379451. The cubic root of 1426290 is about 112.5648021717.

The spelling of 1426290 in words is "one million, four hundred twenty-six thousand, two hundred ninety".