1428638301 has 6 divisors (see below), whose sum is σ = 2063588670. Its totient is φ = 952425528.

The previous prime is 1428638297. The next prime is 1428638327. The reversal of 1428638301 is 1038368241.

1428638301 is a `hidden beast` number, since 14 + 2 + 8 + 638 + 3 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1202286276 + 226352025 = 34674^2 + 15045^2 .

It is not a de Polignac number, because 1428638301 - 2² = 1428638297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428638381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79368786 + ... + 79368803.

It is an arithmetic number, because the mean of its divisors is an integer number (343931445).

Almost surely, 2^1428638301 is an apocalyptic number.

It is an amenable number.

1428638301 is a deficient number, since it is larger than the sum of its proper divisors (634950369).

1428638301 is a wasteful number, since it uses less digits than its factorization.

1428638301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158737595 (or 158737592 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1428638301 is about 37797.3319296482. The cubic root of 1428638301 is about 1126.2654536533.

The spelling of 1428638301 in words is "one billion, four hundred twenty-eight million, six hundred thirty-eight thousand, three hundred one".