983487 has 4 divisors (see below), whose sum is σ = 1311320. Its totient is φ = 655656.

The previous prime is 983461. The next prime is 983491. The reversal of 983487 is 784389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784389 = 3 ⋅261463.

It is not a de Polignac number, because 983487 - 2¹¹ = 981439 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 983487.

It is not an unprimeable number, because it can be changed into a prime (983407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163912 + ... + 163917.

It is an arithmetic number, because the mean of its divisors is an integer number (327830).

2⁹⁸³⁴⁸⁷ is an apocalyptic number.

983487 is a deficient number, since it is larger than the sum of its proper divisors (327833).

983487 is a wasteful number, since it uses less digits than its factorization.

983487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327832.

The product of its digits is 48384, while the sum is 39.

The square root of 983487 is about 991.7091307435. The cubic root of 983487 is about 99.4465087936.

It can be divided in two parts, 9834 and 87, that multiplied together give a palindrome (855558).

The spelling of 983487 in words is "nine hundred eighty-three thousand, four hundred eighty-seven".