428817370 has 16 divisors (see below), whose sum is σ = 773803368. Its totient is φ = 171097600.

The previous prime is 428817341. The next prime is 428817377. The reversal of 428817370 is 73718824.

It can be written as a sum of positive squares in 4 ways, for example, as 416935561 + 11881809 = 20419^2 + 3447^2 .

It is not an unprimeable number, because it can be changed into a prime (428817377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49459 + ... + 57478.

Almost surely, 2^428817370 is an apocalyptic number.

428817370 is a deficient number, since it is larger than the sum of its proper divisors (344985998).

428817370 is a wasteful number, since it uses less digits than its factorization.

428817370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107345.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 428817370 is about 20707.9059781524. The cubic root of 428817370 is about 754.0916344808.

The spelling of 428817370 in words is "four hundred twenty-eight million, eight hundred seventeen thousand, three hundred seventy".