283911480 has 96 divisors (see below), whose sum is σ = 956919600. Its totient is φ = 75707136.

The previous prime is 283911473. The next prime is 283911487. The reversal of 283911480 is 84119382.

It is an interprime number because it is at equal distance from previous prime (283911473) and next prime (283911487).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283911487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4885 + ... + 24324.

Almost surely, 2^283911480 is an apocalyptic number.

283911480 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 283911480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478459800).

283911480 is an abundant number, since it is smaller than the sum of its proper divisors (673008120).

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

283911480 is a wasteful number, since it uses less digits than its factorization.

283911480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29235 (or 29219 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 283911480 is about 16849.6729938596. The cubic root of 283911480 is about 657.2455452993.

The spelling of 283911480 in words is "two hundred eighty-three million, nine hundred eleven thousand, four hundred eighty".