283425420 has 48 divisors (see below), whose sum is σ = 804474720. Its totient is φ = 74543616.

The previous prime is 283425419. The next prime is 283425421. The reversal of 283425420 is 24524382.

It is an interprime number because it is at equal distance from previous prime (283425419) and next prime (283425421).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (283425421) 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 15 ways as a sum of consecutive naturals, for example, 27975 + ... + 36734.

It is an arithmetic number, because the mean of its divisors is an integer number (16759890).

Almost surely, 2^283425420 is an apocalyptic number.

283425420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283425420 is an abundant number, since it is smaller than the sum of its proper divisors (521049300).

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

283425420 is a wasteful number, since it uses less digits than its factorization.

283425420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64794 (or 64792 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 283425420 is about 16835.2433899840. The cubic root of 283425420 is about 656.8702601925.

The spelling of 283425420 in words is "two hundred eighty-three million, four hundred twenty-five thousand, four hundred twenty".