1426988 has 12 divisors (see below), whose sum is σ = 2512440. Its totient is φ = 709152.

The previous prime is 1426987. The next prime is 1426991. The reversal of 1426988 is 8896241.

It is a super-5 number, since 5×1426988⁵ (a number of 32 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (1426981) 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, 281 + ... + 1712.

It is an arithmetic number, because the mean of its divisors is an integer number (209370).

2^1426988 is an apocalyptic number.

It is an amenable number.

1426988 is a deficient number, since it is larger than the sum of its proper divisors (1085452).

1426988 is a wasteful number, since it uses less digits than its factorization.

1426988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2174 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1426988 is about 1194.5660299875. The cubic root of 1426988 is about 112.5831615559.

The spelling of 1426988 in words is "one million, four hundred twenty-six thousand, nine hundred eighty-eight".