428024862 has 48 divisors (see below), whose sum is σ = 963930240. Its totient is φ = 137100096.

The previous prime is 428024813. The next prime is 428024879. The reversal of 428024862 is 268420824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114568 + ... + 118244.

It is an arithmetic number, because the mean of its divisors is an integer number (20081880).

Almost surely, 2^428024862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428024862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481965120).

428024862 is an abundant number, since it is smaller than the sum of its proper divisors (535905378).

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

428024862 is a wasteful number, since it uses less digits than its factorization.

428024862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 428024862 is about 20688.7617319162. The cubic root of 428024862 is about 753.6267961958.

The spelling of 428024862 in words is "four hundred twenty-eight million, twenty-four thousand, eight hundred sixty-two".