283425240 has 64 divisors (see below), whose sum is σ = 971746560. Its totient is φ = 64782720.

The previous prime is 283425239. The next prime is 283425257. The reversal of 283425240 is 42524382.

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

It is a junction number, because it is equal to n+sod(n) for n = 283425198 and 283425207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167866 + ... + 169545.

It is an arithmetic number, because the mean of its divisors is an integer number (15183540).

Almost surely, 2^283425240 is an apocalyptic number.

283425240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283425240 is an abundant number, since it is smaller than the sum of its proper divisors (688321320).

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

283425240 is a wasteful number, since it uses less digits than its factorization.

283425240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337432 (or 337428 counting only the distinct ones).

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

The square root of 283425240 is about 16835.2380440551. The cubic root of 283425240 is about 656.8701211357.

The spelling of 283425240 in words is "two hundred eighty-three million, four hundred twenty-five thousand, two hundred forty".