428862424 has 8 divisors (see below), whose sum is σ = 804117060. Its totient is φ = 214431208.

The previous prime is 428862409. The next prime is 428862437. The reversal of 428862424 is 424268824.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26803894 + ... + 26803909.

Almost surely, 2^428862424 is an apocalyptic number.

It is an amenable number.

428862424 is a deficient number, since it is larger than the sum of its proper divisors (375254636).

428862424 is a wasteful number, since it uses less digits than its factorization.

428862424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53607809 (or 53607805 counting only the distinct ones).

The product of its digits is 196608, while the sum is 40.

The square root of 428862424 is about 20708.9937949674. The cubic root of 428862424 is about 754.1180432794.

The spelling of 428862424 in words is "four hundred twenty-eight million, eight hundred sixty-two thousand, four hundred twenty-four".