783487 has 2 divisors, whose sum is σ = 783488. Its totient is φ = 783486.

The previous prime is 783473. The next prime is 783527. The reversal of 783487 is 784387.

It is a weak prime.

It is an emirp because it is prime and its reverse (784387) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 783487 - 2⁷ = 783359 is a prime.

It is a super-2 number, since 2×783487² = 1227703758338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (783407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391743 + 391744.

It is an arithmetic number, because the mean of its divisors is an integer number (391744).

2⁷⁸³⁴⁸⁷ is an apocalyptic number.

783487 is a deficient number, since it is larger than the sum of its proper divisors (1).

783487 is an equidigital number, since it uses as much as digits as its factorization.

783487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 783487 is about 885.1480102220. The cubic root of 783487 is about 92.1886096007.

Subtracting 783487 from its reverse (784387), we obtain a square (900 = 30²).

It can be divided in two parts, 7834 and 87, that added together give a square (7921 = 89²).

The spelling of 783487 in words is "seven hundred eighty-three thousand, four hundred eighty-seven".