428496 has 40 divisors (see below), whose sum is σ = 1130880. Its totient is φ = 139776.

The previous prime is 428489. The next prime is 428503. The reversal of 428496 is 694824.

It is an interprime number because it is at equal distance from previous prime (428489) and next prime (428503).

It is a congruent number.

It is an unprimeable number.

428496 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3736 + ... + 3848.

It is an arithmetic number, because the mean of its divisors is an integer number (28272).

2⁴²⁸⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565440).

428496 is an abundant number, since it is smaller than the sum of its proper divisors (702384).

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

428496 is a wasteful number, since it uses less digits than its factorization.

428496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 428496 is about 654.5960586499. The cubic root of 428496 is about 75.3903206951.

The spelling of 428496 in words is "four hundred twenty-eight thousand, four hundred ninety-six".