428359690 has 32 divisors (see below), whose sum is σ = 854945280. Its totient is φ = 153211200.

The previous prime is 428359637. The next prime is 428359691. The reversal of 428359690 is 96953824.

It is a super-2 number, since 2×428359690² = 366984048033792200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 428359690.

It is not an unprimeable number, because it can be changed into a prime (428359691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25210 + ... + 38629.

It is an arithmetic number, because the mean of its divisors is an integer number (26717040).

Almost surely, 2^428359690 is an apocalyptic number.

428359690 is a deficient number, since it is larger than the sum of its proper divisors (426585590).

428359690 is a wasteful number, since it uses less digits than its factorization.

428359690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63918.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 428359690 is about 20696.8521761161. The cubic root of 428359690 is about 753.8232564223.

It can be divided in two parts, 42835 and 9690, that added together give a palindrome (52525).

The spelling of 428359690 in words is "four hundred twenty-eight million, three hundred fifty-nine thousand, six hundred ninety".