763861 has 16 divisors (see below), whose sum is σ = 950400. Its totient is φ = 611520.

The previous prime is 763859. The next prime is 763879. The reversal of 763861 is 168367.

It is not a de Polignac number, because 763861 - 2¹ = 763859 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5766 + ... + 5896.

It is an arithmetic number, because the mean of its divisors is an integer number (59400).

2⁷⁶³⁸⁶¹ is an apocalyptic number.

It is an amenable number.

763861 is a deficient number, since it is larger than the sum of its proper divisors (186539).

763861 is a wasteful number, since it uses less digits than its factorization.

763861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 763861 is about 873.9914187222. The cubic root of 763861 is about 91.4123300531.

The spelling of 763861 in words is "seven hundred sixty-three thousand, eight hundred sixty-one".