428308974 has 12 divisors (see below), whose sum is σ = 928002816. Its totient is φ = 142769652.

The previous prime is 428308973. The next prime is 428308997. The reversal of 428308974 is 479803824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428308973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11897454 + ... + 11897489.

It is an arithmetic number, because the mean of its divisors is an integer number (77333568).

Almost surely, 2^428308974 is an apocalyptic number.

428308974 is an abundant number, since it is smaller than the sum of its proper divisors (499693842).

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

428308974 is a wasteful number, since it uses less digits than its factorization.

428308974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23794951 (or 23794948 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 428308974 is about 20695.6269293781. The cubic root of 428308974 is about 753.7935054054.

The spelling of 428308974 in words is "four hundred twenty-eight million, three hundred eight thousand, nine hundred seventy-four".