283025340 has 240 divisors, whose sum is σ = 973304640. Its totient is φ = 68428800.

The previous prime is 283025329. The next prime is 283025359. The reversal of 283025340 is 43520382.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1874265 + ... + 1874415.

It is an arithmetic number, because the mean of its divisors is an integer number (4055436).

Almost surely, 2^283025340 is an apocalyptic number.

283025340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283025340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486652320).

283025340 is an abundant number, since it is smaller than the sum of its proper divisors (690279300).

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

283025340 is a wasteful number, since it uses less digits than its factorization.

283025340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 283025340 is about 16823.3569777259. The cubic root of 283025340 is about 656.5610378626.

The spelling of 283025340 in words is "two hundred eighty-three million, twenty-five thousand, three hundred forty".