428893248 has 56 divisors (see below), whose sum is σ = 1296895552. Its totient is φ = 122540544.

The previous prime is 428893237. The next prime is 428893253. The reversal of 428893248 is 842398824.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 428893197 and 428893206.

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, 158215 + ... + 160902.

Almost surely, 2^428893248 is an apocalyptic number.

428893248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

428893248 is an abundant number, since it is smaller than the sum of its proper divisors (868002304).

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

428893248 is a wasteful number, since it uses less digits than its factorization.

428893248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319139 (or 319129 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 428893248 is about 20709.7379993084. The cubic root of 428893248 is about 754.1361099728.

The spelling of 428893248 in words is "four hundred twenty-eight million, eight hundred ninety-three thousand, two hundred forty-eight".