1428638362 has 8 divisors (see below), whose sum is σ = 2154177792. Its totient is φ = 710579100.

The previous prime is 1428638359. The next prime is 1428638369. The reversal of 1428638362 is 2638368241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1428638369) 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, 1869564 + ... + 1870327.

It is an arithmetic number, because the mean of its divisors is an integer number (269272224).

Almost surely, 2^1428638362 is an apocalyptic number.

1428638362 is a deficient number, since it is larger than the sum of its proper divisors (725539430).

1428638362 is a wasteful number, since it uses less digits than its factorization.

1428638362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740084.

The product of its digits is 331776, while the sum is 43.

The square root of 1428638362 is about 37797.3327365834. The cubic root of 1428638362 is about 1126.2654696831.

The spelling of 1428638362 in words is "one billion, four hundred twenty-eight million, six hundred thirty-eight thousand, three hundred sixty-two".