428262100 has 36 divisors (see below), whose sum is σ = 1062091744. Its totient is φ = 146832480.

The previous prime is 428262091. The next prime is 428262103. The reversal of 428262100 is 1262824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428262103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305202 + ... + 306601.

Almost surely, 2^428262100 is an apocalyptic number.

It is an amenable number.

428262100 is an abundant number, since it is smaller than the sum of its proper divisors (633829644).

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

428262100 is a wasteful number, since it uses less digits than its factorization.

428262100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611824 (or 611817 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 428262100 is about 20694.4944369269. The cubic root of 428262100 is about 753.7660060938.

The spelling of 428262100 in words is "four hundred twenty-eight million, two hundred sixty-two thousand, one hundred".