763861406 has 64 divisors (see below), whose sum is σ = 1471841280. Its totient is φ = 288672000.

The previous prime is 763861403. The next prime is 763861451. The reversal of 763861406 is 604168367.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763861403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1963460 + ... + 1963848.

It is an arithmetic number, because the mean of its divisors is an integer number (22997520).

Almost surely, 2^763861406 is an apocalyptic number.

763861406 is a deficient number, since it is larger than the sum of its proper divisors (707979874).

763861406 is a wasteful number, since it uses less digits than its factorization.

763861406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 763861406 is about 27638.0427309895. The cubic root of 763861406 is about 914.1234624864.

The spelling of 763861406 in words is "seven hundred sixty-three million, eight hundred sixty-one thousand, four hundred six".