1426188 has 24 divisors (see below), whose sum is σ = 3353392. Its totient is φ = 471744.

The previous prime is 1426171. The next prime is 1426199. The reversal of 1426188 is 8816241.

It is a super-2 number, since 2×1426188² = 4068024422688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506 + ... + 2262.

2^1426188 is an apocalyptic number.

It is an amenable number.

1426188 is an abundant number, since it is smaller than the sum of its proper divisors (1927204).

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

1426188 is a wasteful number, since it uses less digits than its factorization.

1426188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 919 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 1426188 is about 1194.2311334076. The cubic root of 1426188 is about 112.5621187802.

The spelling of 1426188 in words is "one million, four hundred twenty-six thousand, one hundred eighty-eight".