428926842 has 24 divisors (see below), whose sum is σ = 929777940. Its totient is φ = 142908480.

The previous prime is 428926837. The next prime is 428926853. The reversal of 428926842 is 248629824.

It can be written as a sum of positive squares in 2 ways, for example, as 414570321 + 14356521 = 20361^2 + 3789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47334 + ... + 55662.

Almost surely, 2^428926842 is an apocalyptic number.

428926842 is an abundant number, since it is smaller than the sum of its proper divisors (500851098).

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

428926842 is a wasteful number, since it uses less digits than its factorization.

428926842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11198 (or 11195 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 428926842 is about 20710.5490511478. The cubic root of 428926842 is about 754.1557992445.

The spelling of 428926842 in words is "four hundred twenty-eight million, nine hundred twenty-six thousand, eight hundred forty-two".