428747430 has 16 divisors (see below), whose sum is σ = 1028993904. Its totient is φ = 114332640.

The previous prime is 428747419. The next prime is 428747447. The reversal of 428747430 is 34747824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7145761 + ... + 7145820.

It is an arithmetic number, because the mean of its divisors is an integer number (64312119).

Almost surely, 2^428747430 is an apocalyptic number.

428747430 is an abundant number, since it is smaller than the sum of its proper divisors (600246474).

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

428747430 is a wasteful number, since it uses less digits than its factorization.

428747430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291591.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 428747430 is about 20706.2171822861. The cubic root of 428747430 is about 754.0506348695.

The spelling of 428747430 in words is "four hundred twenty-eight million, seven hundred forty-seven thousand, four hundred thirty".