426988 has 6 divisors (see below), whose sum is σ = 747236. Its totient is φ = 213492.

The previous prime is 426973. The next prime is 426997. The reversal of 426988 is 889624.

It is a super-5 number, since 5×426988⁵ (a number of 29 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53370 + ... + 53377.

2⁴²⁶⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

426988 is a deficient number, since it is larger than the sum of its proper divisors (320248).

426988 is a wasteful number, since it uses less digits than its factorization.

426988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106751 (or 106749 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 426988 is about 653.4431880432. The cubic root of 426988 is about 75.3017767082.

The spelling of 426988 in words is "four hundred twenty-six thousand, nine hundred eighty-eight".