1347808628 has 6 divisors (see below), whose sum is σ = 2358665106. Its totient is φ = 673904312.

The previous prime is 1347808589. The next prime is 1347808633. The reversal of 1347808628 is 8268087431.

It can be written as a sum of positive squares in only one way, i.e., 984829924 + 362978704 = 31382^2 + 19052^2 .

It is a super-2 number, since 2×1347808628² = 3633176195422484768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168476075 + ... + 168476082.

It is an arithmetic number, because the mean of its divisors is an integer number (393110851).

Almost surely, 2^1347808628 is an apocalyptic number.

It is an amenable number.

1347808628 is a deficient number, since it is larger than the sum of its proper divisors (1010856478).

1347808628 is a wasteful number, since it uses less digits than its factorization.

1347808628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336952161 (or 336952159 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 1347808628 is about 36712.5132345907. The cubic root of 1347808628 is about 1104.6111195479.

The spelling of 1347808628 in words is "one billion, three hundred forty-seven million, eight hundred eight thousand, six hundred twenty-eight".