6401364 has 12 divisors (see below), whose sum is σ = 14936544. Its totient is φ = 2133784.

The previous prime is 6401363. The next prime is 6401377. The reversal of 6401364 is 4631046.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6401364² = 81954922120992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266712 + ... + 266735.

It is an arithmetic number, because the mean of its divisors is an integer number (1244712).

Almost surely, 2^6401364 is an apocalyptic number.

It is an amenable number.

6401364 is an abundant number, since it is smaller than the sum of its proper divisors (8535180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6401364 is a wasteful number, since it uses less digits than its factorization.

6401364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533454 (or 533452 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6401364 is about 2530.0916979430. The cubic root of 6401364 is about 185.6767422559.

The spelling of 6401364 in words is "six million, four hundred one thousand, three hundred sixty-four".