426303616 has 16 divisors (see below), whose sum is σ = 849276990. Its totient is φ = 213151744.

The previous prime is 426303613. The next prime is 426303617. The reversal of 426303616 is 616303624.

It can be written as a sum of positive squares in only one way, i.e., 342398016 + 83905600 = 18504^2 + 9160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (426303613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665121 + ... + 1665376.

Almost surely, 2^426303616 is an apocalyptic number.

It is an amenable number.

426303616 is a deficient number, since it is larger than the sum of its proper divisors (422973374).

426303616 is an equidigital number, since it uses as much as digits as its factorization.

426303616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330511 (or 3330499 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 426303616 is about 20647.1212521262. The cubic root of 426303616 is about 752.6152351642.

The spelling of 426303616 in words is "four hundred twenty-six million, three hundred three thousand, six hundred sixteen".