763649394 has 16 divisors (see below), whose sum is σ = 1528986240. Its totient is φ = 254268560.

The previous prime is 763649377. The next prime is 763649399. The reversal of 763649394 is 493946367.

763649394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (763649399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64389 + ... + 75320.

It is an arithmetic number, because the mean of its divisors is an integer number (95561640).

Almost surely, 2^763649394 is an apocalyptic number.

763649394 is an abundant number, since it is smaller than the sum of its proper divisors (765336846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

763649394 is a wasteful number, since it uses less digits than its factorization.

763649394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140625.

The product of its digits is 2939328, while the sum is 51.

The square root of 763649394 is about 27634.2069544252. The cubic root of 763649394 is about 914.0388821008.

It can be divided in two parts, 76364 and 9394, that added together give a palindrome (85758).

The spelling of 763649394 in words is "seven hundred sixty-three million, six hundred forty-nine thousand, three hundred ninety-four".