6401284 has 6 divisors (see below), whose sum is σ = 11202254. Its totient is φ = 3200640.

The previous prime is 6401273. The next prime is 6401293. The reversal of 6401284 is 4821046.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 3161284 = 1800^2 + 1778^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800157 + ... + 800164.

Almost surely, 2^6401284 is an apocalyptic number.

It is an amenable number.

6401284 is a deficient number, since it is larger than the sum of its proper divisors (4800970).

6401284 is a wasteful number, since it uses less digits than its factorization.

6401284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600325 (or 1600323 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 6401284 is about 2530.0758881899. The cubic root of 6401284 is about 185.6759687644.

The spelling of 6401284 in words is "six million, four hundred one thousand, two hundred eighty-four".