763220938 has 4 divisors (see below), whose sum is σ = 1144831410. Its totient is φ = 381610468.

The previous prime is 763220917. The next prime is 763220957. The reversal of 763220938 is 839022367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839022367 = 8741 ⋅95987.

It can be written as a sum of positive squares in only one way, i.e., 674804529 + 88416409 = 25977^2 + 9403^2 .

It is a super-3 number, since 3×763220938³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 763220938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190805233 + ... + 190805236.

Almost surely, 2^763220938 is an apocalyptic number.

763220938 is a deficient number, since it is larger than the sum of its proper divisors (381610472).

763220938 is a wasteful number, since it uses less digits than its factorization.

763220938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381610471.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 763220938 is about 27626.4535907163. The cubic root of 763220938 is about 913.8679054234.

The spelling of 763220938 in words is "seven hundred sixty-three million, two hundred twenty thousand, nine hundred thirty-eight".