1428826312 has 8 divisors (see below), whose sum is σ = 2679049350. Its totient is φ = 714413152.

The previous prime is 1428826307. The next prime is 1428826313. The reversal of 1428826312 is 2136288241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1230185476 + 198640836 = 35074^2 + 14094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1428826313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89301637 + ... + 89301652.

Almost surely, 2^1428826312 is an apocalyptic number.

It is an amenable number.

1428826312 is a deficient number, since it is larger than the sum of its proper divisors (1250223038).

1428826312 is a wasteful number, since it uses less digits than its factorization.

1428826312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178603295 (or 178603291 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 1428826312 is about 37799.8189413653. The cubic root of 1428826312 is about 1126.3148575754.

The spelling of 1428826312 in words is "one billion, four hundred twenty-eight million, eight hundred twenty-six thousand, three hundred twelve".