428267466 has 64 divisors (see below), whose sum is σ = 1050019200. Its totient is φ = 128304000.

The previous prime is 428267459. The next prime is 428267473. The reversal of 428267466 is 664762824.

It is an interprime number because it is at equal distance from previous prime (428267459) and next prime (428267473).

It is a super-2 number, since 2×428267466² = 366826044868122312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48816 + ... + 56916.

It is an arithmetic number, because the mean of its divisors is an integer number (16406550).

Almost surely, 2^428267466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428267466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525009600).

428267466 is an abundant number, since it is smaller than the sum of its proper divisors (621751734).

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

428267466 is a wasteful number, since it uses less digits than its factorization.

428267466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212 (or 8206 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 428267466 is about 20694.6240845298. The cubic root of 428267466 is about 753.7691542371.

The spelling of 428267466 in words is "four hundred twenty-eight million, two hundred sixty-seven thousand, four hundred sixty-six".