283783040 has 64 divisors (see below), whose sum is σ = 718353360. Its totient is φ = 106831872.

The previous prime is 283783013. The next prime is 283783051. The reversal of 283783040 is 40387382.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 2162 + ... + 23921.

Almost surely, 2^283783040 is an apocalyptic number.

283783040 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 283783040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359176680).

283783040 is an abundant number, since it is smaller than the sum of its proper divisors (434570320).

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

283783040 is a wasteful number, since it uses less digits than its factorization.

283783040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26119 (or 26107 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 283783040 is about 16845.8612127727. The cubic root of 283783040 is about 657.1464189203.

The spelling of 283783040 in words is "two hundred eighty-three million, seven hundred eighty-three thousand, forty".