284020001 has 4 divisors (see below), whose sum is σ = 284294400. Its totient is φ = 283745604.

The previous prime is 284019991. The next prime is 284020007. The reversal of 284020001 is 100020482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100020482 = 2 ⋅50010241.

It is a cyclic number.

It is not a de Polignac number, because 284020001 - 2⁶ = 284019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284020007) 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, 135641 + ... + 137718.

It is an arithmetic number, because the mean of its divisors is an integer number (71073600).

Almost surely, 2^284020001 is an apocalyptic number.

It is an amenable number.

284020001 is a deficient number, since it is larger than the sum of its proper divisors (274399).

284020001 is a wasteful number, since it uses less digits than its factorization.

284020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274398.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 284020001 is about 16852.8929564037. The cubic root of 284020001 is about 657.3292754560.

Adding to 284020001 its reverse (100020482), we get a palindrome (384040483).

The spelling of 284020001 in words is "two hundred eighty-four million, twenty thousand, one".