428565370 has 16 divisors (see below), whose sum is σ = 773257608. Its totient is φ = 171017280.

The previous prime is 428565353. The next prime is 428565373. The reversal of 428565370 is 73565824.

It can be written as a sum of positive squares in 4 ways, for example, as 348158281 + 80407089 = 18659^2 + 8967^2 .

It is not an unprimeable number, because it can be changed into a prime (428565373) 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, 46689 + ... + 55108.

Almost surely, 2^428565370 is an apocalyptic number.

428565370 is a deficient number, since it is larger than the sum of its proper divisors (344692238).

428565370 is a wasteful number, since it uses less digits than its factorization.

428565370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102225.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 428565370 is about 20701.8204513516. The cubic root of 428565370 is about 753.9438883445.

The spelling of 428565370 in words is "four hundred twenty-eight million, five hundred sixty-five thousand, three hundred seventy".