349289764 has 12 divisors (see below), whose sum is σ = 615655600. Its totient is φ = 173388168.

The previous prime is 349289747. The next prime is 349289767. The reversal of 349289764 is 467982943.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (349289767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313554 + ... + 314665.

Almost surely, 2^349289764 is an apocalyptic number.

It is an amenable number.

349289764 is a deficient number, since it is larger than the sum of its proper divisors (266365836).

349289764 is a wasteful number, since it uses less digits than its factorization.

349289764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628362 (or 628360 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 349289764 is about 18689.2954388334. The cubic root of 349289764 is about 704.2528603771.

It can be divided in two parts, 349289 and 764, that added together give a palindrome (350053).

The spelling of 349289764 in words is "three hundred forty-nine million, two hundred eighty-nine thousand, seven hundred sixty-four".