1426090 has 8 divisors (see below), whose sum is σ = 2566980. Its totient is φ = 570432.

The previous prime is 1426081. The next prime is 1426097. The reversal of 1426090 is 906241.

It can be written as a sum of positive squares in 2 ways, for example, as 1394761 + 31329 = 1181^2 + 177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1426097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71295 + ... + 71314.

2^1426090 is an apocalyptic number.

1426090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1426090 is a deficient number, since it is larger than the sum of its proper divisors (1140890).

1426090 is a wasteful number, since it uses less digits than its factorization.

1426090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142616.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1426090 is about 1194.1901021194. The cubic root of 1426090 is about 112.5595404992.

The spelling of 1426090 in words is "one million, four hundred twenty-six thousand, ninety".