763640338 has 16 divisors (see below), whose sum is σ = 1166006016. Its totient is φ = 375025360.

The previous prime is 763640321. The next prime is 763640341. The reversal of 763640338 is 833046367.

It is a self number, because there is not a number n which added to its sum of digits gives 763640338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15423 + ... + 42013.

It is an arithmetic number, because the mean of its divisors is an integer number (72875376).

Almost surely, 2^763640338 is an apocalyptic number.

763640338 is a deficient number, since it is larger than the sum of its proper divisors (402365678).

763640338 is a wasteful number, since it uses less digits than its factorization.

763640338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 763640338 is about 27634.0430990472. The cubic root of 763640338 is about 914.0352689380.

It can be divided in two parts, 7636 and 40338, that added together give a palindrome (47974).

The spelling of 763640338 in words is "seven hundred sixty-three million, six hundred forty thousand, three hundred thirty-eight".