283465 has 24 divisors (see below), whose sum is σ = 430920. Its totient is φ = 177408.

The previous prime is 283463. The next prime is 283487. The reversal of 283465 is 564382.

It can be written as a sum of positive squares in 4 ways, for example, as 441 + 283024 = 21^2 + 532^2 .

It is not a de Polignac number, because 283465 - 2¹ = 283463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (283463) 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, 3141 + ... + 3229.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2²⁸³⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

283465 is a deficient number, since it is larger than the sum of its proper divisors (147455).

283465 is a wasteful number, since it uses less digits than its factorization.

283465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 114 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 283465 is about 532.4143123546. The cubic root of 283465 is about 65.6900835802.

It can be divided in two parts, 28 and 3465, that multiplied together give a triangular number (97020 = T₄₄₀).

The spelling of 283465 in words is "two hundred eighty-three thousand, four hundred sixty-five".