428614704 has 120 divisors (see below), whose sum is σ = 1394315520. Its totient is φ = 120369024.

The previous prime is 428614699. The next prime is 428614709. The reversal of 428614704 is 407416824.

It is an interprime number because it is at equal distance from previous prime (428614699) and next prime (428614709).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (428614709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55869 + ... + 63075.

It is an arithmetic number, because the mean of its divisors is an integer number (11619296).

Almost surely, 2^428614704 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 428614704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697157760).

428614704 is an abundant number, since it is smaller than the sum of its proper divisors (965700816).

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

428614704 is a wasteful number, since it uses less digits than its factorization.

428614704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287 (or 7278 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 428614704 is about 20703.0119547857. The cubic root of 428614704 is about 753.9728171407.

The spelling of 428614704 in words is "four hundred twenty-eight million, six hundred fourteen thousand, seven hundred four".