427288336 has 20 divisors (see below), whose sum is σ = 876570012. Its totient is φ = 201076736.

The previous prime is 427288307. The next prime is 427288403. The reversal of 427288336 is 633882724.

It can be written as a sum of positive squares in 2 ways, for example, as 267518736 + 159769600 = 16356^2 + 12640^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427288292 and 427288301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785185 + ... + 785728.

Almost surely, 2^427288336 is an apocalyptic number.

It is an amenable number.

427288336 is an abundant number, since it is smaller than the sum of its proper divisors (449281676).

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

427288336 is a wasteful number, since it uses less digits than its factorization.

427288336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570938 (or 1570932 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 427288336 is about 20670.9539209007. The cubic root of 427288336 is about 753.1942789434.

The spelling of 427288336 in words is "four hundred twenty-seven million, two hundred eighty-eight thousand, three hundred thirty-six".